1 /* $NetBSD: mail_params.h,v 1.20 2025/02/25 19:15:45 christos Exp $ */ 2 3 #ifndef _MAIL_PARAMS_H_INCLUDED_ 4 #define _MAIL_PARAMS_H_INCLUDED_ 5 6 /*++ 7 /* NAME 8 /* mail_params 3h 9 /* SUMMARY 10 /* globally configurable parameters 11 /* SYNOPSIS 12 /* #include <mail_params.h> 13 /* DESCRIPTION 14 /* .nf 15 16 /* 17 * This is to make it easier to auto-generate tables. 18 */ 19 typedef int bool; 20 21 #ifdef USE_TLS 22 #include <openssl/opensslv.h> /* OPENSSL_VERSION_NUMBER */ 23 #include <openssl/objects.h> /* SN_* and NID_* macros */ 24 #if OPENSSL_VERSION_NUMBER < 0x1010100fUL 25 #error "OpenSSL releases prior to 1.1.1 are no longer supported" 26 #endif 27 #endif 28 29 /* 30 * Name used when this mail system announces itself. 31 */ 32 #define VAR_MAIL_NAME "mail_name" 33 #define DEF_MAIL_NAME "Postfix" 34 extern char *var_mail_name; 35 36 /* 37 * You want to be helped or not. 38 */ 39 #define VAR_HELPFUL_WARNINGS "helpful_warnings" 40 #define DEF_HELPFUL_WARNINGS 1 41 extern bool var_helpful_warnings; 42 43 /* 44 * You want to be helped or not. 45 */ 46 #define VAR_SHOW_UNK_RCPT_TABLE "show_user_unknown_table_name" 47 #define DEF_SHOW_UNK_RCPT_TABLE 1 48 extern bool var_show_unk_rcpt_table; 49 50 /* 51 * Compatibility level and migration support. Update postconf(5), 52 * COMPATIBILITY_README, global/mail_params.[hc] and conf/main.cf when 53 * updating the current compatibility level. 54 */ 55 #define COMPAT_LEVEL_0 "0" 56 #define COMPAT_LEVEL_1 "1" 57 #define COMPAT_LEVEL_2 "2" 58 #define COMPAT_LEVEL_3_6 "3.6" 59 #define LAST_COMPAT_LEVEL COMPAT_LEVEL_3_6 60 61 #define VAR_COMPAT_LEVEL "compatibility_level" 62 #define DEF_COMPAT_LEVEL COMPAT_LEVEL_0 63 extern char *var_compatibility_level; 64 65 extern int warn_compat_break_app_dot_mydomain; 66 extern int warn_compat_break_smtputf8_enable; 67 extern int warn_compat_break_chroot; 68 extern int warn_compat_break_relay_restrictions; /* Postfix 2.10. */ 69 70 extern int warn_compat_break_relay_domains; 71 extern int warn_compat_break_flush_domains; 72 extern int warn_compat_break_mynetworks_style; 73 74 extern int warn_compat_break_smtpd_tls_fpt_dgst; 75 extern int warn_compat_break_smtp_tls_fpt_dgst; 76 extern int warn_compat_break_lmtp_tls_fpt_dgst; 77 extern int warn_compat_relay_before_rcpt_checks; 78 extern int warn_compat_respectful_logging; 79 80 extern long compat_level; 81 82 /* 83 * What problem classes should be reported to the postmaster via email. 84 * Default is bad problems only. See mail_error(3). Even when mail notices 85 * are disabled, problems are still logged to the syslog daemon. 86 * 87 * Do not add "protocol" to the default setting. It gives Postfix a bad 88 * reputation: people get mail whenever spam software makes a mistake. 89 */ 90 #define VAR_NOTIFY_CLASSES "notify_classes" 91 #define DEF_NOTIFY_CLASSES "resource, software" /* Not: "protocol" */ 92 extern char *var_notify_classes; 93 94 /* 95 * What do I turn <> into? Sendmail defaults to mailer-daemon. 96 */ 97 #define VAR_EMPTY_ADDR "empty_address_recipient" 98 #define DEF_EMPTY_ADDR MAIL_ADDR_MAIL_DAEMON 99 extern char *var_empty_addr; 100 101 /* 102 * Privileges used by the mail system: the owner of files and commands, and 103 * the rights to be used when running external commands. 104 */ 105 #define VAR_MAIL_OWNER "mail_owner" 106 #define DEF_MAIL_OWNER "postfix" 107 extern char *var_mail_owner; 108 extern uid_t var_owner_uid; 109 extern gid_t var_owner_gid; 110 111 #define VAR_SGID_GROUP "setgid_group" 112 #define DEF_SGID_GROUP "maildrop" 113 extern char *var_sgid_group; 114 extern gid_t var_sgid_gid; 115 116 #define VAR_DEFAULT_PRIVS "default_privs" 117 #define DEF_DEFAULT_PRIVS "nobody" 118 extern char *var_default_privs; 119 extern uid_t var_default_uid; 120 extern gid_t var_default_gid; 121 122 /* 123 * Access control for local privileged operations: 124 */ 125 #define STATIC_ANYONE_ACL "static:anyone" 126 127 #define VAR_FLUSH_ACL "authorized_flush_users" 128 #define DEF_FLUSH_ACL STATIC_ANYONE_ACL 129 extern char *var_flush_acl; 130 131 #define VAR_SHOWQ_ACL "authorized_mailq_users" 132 #define DEF_SHOWQ_ACL STATIC_ANYONE_ACL 133 extern char *var_showq_acl; 134 135 #define VAR_SUBMIT_ACL "authorized_submit_users" 136 #define DEF_SUBMIT_ACL STATIC_ANYONE_ACL 137 extern char *var_submit_acl; 138 139 /* 140 * Local submission, envelope sender ownership. 141 */ 142 #define VAR_LOCAL_LOGIN_SND_MAPS "local_login_sender_maps" 143 #define DEF_LOCAL_LOGIN_SND_MAPS "static:*" 144 extern char *var_local_login_snd__maps; 145 146 #define VAR_NULL_LOCAL_LOGIN_SND_MAPS_KEY "empty_address_local_login_sender_maps_lookup_key" 147 #define DEF_NULL_LOCAL_LOGIN_SND_MAPS_KEY "<>" 148 extern char *var_null_local_login_snd_maps_key; 149 150 /* 151 * What goes on the right-hand side of addresses of mail sent from this 152 * machine. 153 */ 154 #define VAR_MYORIGIN "myorigin" 155 #define DEF_MYORIGIN "$myhostname" 156 extern char *var_myorigin; 157 158 /* 159 * What domains I will receive mail for. Not to be confused with transit 160 * mail to other destinations. 161 */ 162 #define VAR_MYDEST "mydestination" 163 #define DEF_MYDEST "$myhostname, localhost.$mydomain, localhost" 164 extern char *var_mydest; 165 166 /* 167 * These are by default taken from the name service. 168 */ 169 #define VAR_MYHOSTNAME "myhostname" /* my hostname (fqdn) */ 170 extern char *var_myhostname; 171 172 #define VAR_MYDOMAIN "mydomain" /* my domain name */ 173 #define DEF_MYDOMAIN "localdomain" 174 extern char *var_mydomain; 175 176 /* 177 * The default local delivery transport. 178 */ 179 #define VAR_LOCAL_TRANSPORT "local_transport" 180 #define DEF_LOCAL_TRANSPORT MAIL_SERVICE_LOCAL ":$myhostname" 181 extern char *var_local_transport; 182 183 /* 184 * Where to send postmaster copies of bounced mail, and other notices. 185 */ 186 #define VAR_BOUNCE_RCPT "bounce_notice_recipient" 187 #define DEF_BOUNCE_RCPT "postmaster" 188 extern char *var_bounce_rcpt; 189 190 #define VAR_2BOUNCE_RCPT "2bounce_notice_recipient" 191 #define DEF_2BOUNCE_RCPT "postmaster" 192 extern char *var_2bounce_rcpt; 193 194 #define VAR_DELAY_RCPT "delay_notice_recipient" 195 #define DEF_DELAY_RCPT "postmaster" 196 extern char *var_delay_rcpt; 197 198 #define VAR_ERROR_RCPT "error_notice_recipient" 199 #define DEF_ERROR_RCPT "postmaster" 200 extern char *var_error_rcpt; 201 202 /* 203 * Virtual host support. Default is to listen on all machine interfaces. 204 */ 205 #define VAR_INET_INTERFACES "inet_interfaces" /* listen addresses */ 206 #define INET_INTERFACES_ALL "all" 207 #define INET_INTERFACES_LOCAL "loopback-only" 208 #define DEF_INET_INTERFACES INET_INTERFACES_ALL 209 extern char *var_inet_interfaces; 210 211 #define VAR_PROXY_INTERFACES "proxy_interfaces" /* proxies, NATs */ 212 #define DEF_PROXY_INTERFACES "" 213 extern char *var_proxy_interfaces; 214 215 /* 216 * Masquerading (i.e. subdomain stripping). 217 */ 218 #define VAR_MASQ_DOMAINS "masquerade_domains" 219 #define DEF_MASQ_DOMAINS "" 220 extern char *var_masq_domains; 221 222 #define VAR_MASQ_EXCEPTIONS "masquerade_exceptions" 223 #define DEF_MASQ_EXCEPTIONS "" 224 extern char *var_masq_exceptions; 225 226 #define MASQ_CLASS_ENV_FROM "envelope_sender" 227 #define MASQ_CLASS_ENV_RCPT "envelope_recipient" 228 #define MASQ_CLASS_HDR_FROM "header_sender" 229 #define MASQ_CLASS_HDR_RCPT "header_recipient" 230 231 #define VAR_MASQ_CLASSES "masquerade_classes" 232 #define DEF_MASQ_CLASSES MASQ_CLASS_ENV_FROM ", " \ 233 MASQ_CLASS_HDR_FROM ", " \ 234 MASQ_CLASS_HDR_RCPT 235 extern char *var_masq_classes; 236 237 /* 238 * Intranet versus internet. 239 */ 240 #define VAR_RELAYHOST "relayhost" 241 #define DEF_RELAYHOST "" 242 extern char *var_relayhost; 243 244 #define VAR_SND_RELAY_MAPS "sender_dependent_relayhost_maps" 245 #define DEF_SND_RELAY_MAPS "" 246 extern char *var_snd_relay_maps; 247 248 #define VAR_NULL_RELAY_MAPS_KEY "empty_address_relayhost_maps_lookup_key" 249 #define DEF_NULL_RELAY_MAPS_KEY "<>" 250 extern char *var_null_relay_maps_key; 251 252 #define VAR_SMTP_FALLBACK "smtp_fallback_relay" 253 #define DEF_SMTP_FALLBACK "$fallback_relay" 254 #define VAR_LMTP_FALLBACK "lmtp_fallback_relay" 255 #define DEF_LMTP_FALLBACK "" 256 #define DEF_FALLBACK_RELAY "" 257 extern char *var_fallback_relay; 258 259 #define VAR_DISABLE_DNS "disable_dns_lookups" 260 #define DEF_DISABLE_DNS 0 261 extern bool var_disable_dns; 262 263 #define SMTP_DNS_SUPPORT_DISABLED "disabled" 264 #define SMTP_DNS_SUPPORT_ENABLED "enabled" 265 #define SMTP_DNS_SUPPORT_DNSSEC "dnssec" 266 267 #define VAR_SMTP_DNS_SUPPORT "smtp_dns_support_level" 268 #define DEF_SMTP_DNS_SUPPORT "" 269 #define VAR_LMTP_DNS_SUPPORT "lmtp_dns_support_level" 270 #define DEF_LMTP_DNS_SUPPORT "" 271 extern char *var_smtp_dns_support; 272 273 #define SMTP_HOST_LOOKUP_DNS "dns" 274 #define SMTP_HOST_LOOKUP_NATIVE "native" 275 276 #define VAR_SMTP_HOST_LOOKUP "smtp_host_lookup" 277 #define DEF_SMTP_HOST_LOOKUP SMTP_HOST_LOOKUP_DNS 278 #define VAR_LMTP_HOST_LOOKUP "lmtp_host_lookup" 279 #define DEF_LMTP_HOST_LOOKUP SMTP_HOST_LOOKUP_DNS 280 extern char *var_smtp_host_lookup; 281 282 #define SMTP_DNS_RES_OPT_DEFNAMES "res_defnames" 283 #define SMTP_DNS_RES_OPT_DNSRCH "res_dnsrch" 284 285 #define VAR_SMTP_DNS_RES_OPT "smtp_dns_resolver_options" 286 #define DEF_SMTP_DNS_RES_OPT "" 287 #define VAR_LMTP_DNS_RES_OPT "lmtp_dns_resolver_options" 288 #define DEF_LMTP_DNS_RES_OPT "" 289 extern char *var_smtp_dns_res_opt; 290 291 #define VAR_SMTP_MXADDR_LIMIT "smtp_mx_address_limit" 292 #define DEF_SMTP_MXADDR_LIMIT 5 293 #define VAR_LMTP_MXADDR_LIMIT "lmtp_mx_address_limit" 294 #define DEF_LMTP_MXADDR_LIMIT 5 295 extern int var_smtp_mxaddr_limit; 296 297 #define VAR_SMTP_MXSESS_LIMIT "smtp_mx_session_limit" 298 #define DEF_SMTP_MXSESS_LIMIT 2 299 #define VAR_LMTP_MXSESS_LIMIT "lmtp_mx_session_limit" 300 #define DEF_LMTP_MXSESS_LIMIT 2 301 extern int var_smtp_mxsess_limit; 302 303 /* 304 * Location of the mail queue directory tree. 305 */ 306 #define VAR_QUEUE_DIR "queue_directory" 307 #ifndef DEF_QUEUE_DIR 308 #define DEF_QUEUE_DIR "/var/spool/postfix" 309 #endif 310 extern char *var_queue_dir; 311 312 /* 313 * Location of command and daemon programs. 314 */ 315 #define VAR_DAEMON_DIR "daemon_directory" 316 #ifndef DEF_DAEMON_DIR 317 #define DEF_DAEMON_DIR "/usr/libexec/postfix" 318 #endif 319 extern char *var_daemon_dir; 320 321 #define VAR_COMMAND_DIR "command_directory" 322 #ifndef DEF_COMMAND_DIR 323 #define DEF_COMMAND_DIR "/usr/sbin" 324 #endif 325 extern char *var_command_dir; 326 327 /* 328 * Location of PID files. 329 */ 330 #define VAR_PID_DIR "process_id_directory" 331 #ifndef DEF_PID_DIR 332 #define DEF_PID_DIR "pid" 333 #endif 334 extern char *var_pid_dir; 335 336 /* 337 * Location of writable data files. 338 */ 339 #define VAR_DATA_DIR "data_directory" 340 #ifndef DEF_DATA_DIR 341 #define DEF_DATA_DIR "/var/db/postfix" 342 #endif 343 extern char *var_data_dir; 344 345 /* 346 * Program startup time. 347 */ 348 extern time_t var_starttime; 349 350 /* 351 * Location of configuration files. 352 */ 353 #define VAR_CONFIG_DIR "config_directory" 354 #ifndef DEF_CONFIG_DIR 355 #define DEF_CONFIG_DIR "/etc/postfix" 356 #endif 357 extern char *var_config_dir; 358 359 #define VAR_CONFIG_DIRS "alternate_config_directories" 360 #define DEF_CONFIG_DIRS "" 361 extern char *var_config_dirs; 362 363 #define MAIN_CONF_FILE "main.cf" 364 #define MASTER_CONF_FILE "master.cf" 365 366 /* 367 * Preferred type of indexed files. The DEF_DB_TYPE macro value is system 368 * dependent. It is defined in <sys_defs.h>. 369 */ 370 #define VAR_DB_TYPE "default_database_type" 371 extern char *var_db_type; 372 373 /* 374 * What syslog facility to use. Unfortunately, something may have to be 375 * logged before parameters are read from the main.cf file. This logging 376 * will go the LOG_FACILITY facility specified below. 377 */ 378 #define VAR_SYSLOG_FACILITY "syslog_facility" 379 extern char *var_syslog_facility; 380 381 #ifndef DEF_SYSLOG_FACILITY 382 #define DEF_SYSLOG_FACILITY "mail" 383 #endif 384 385 #ifndef LOG_FACILITY 386 #define LOG_FACILITY LOG_MAIL 387 #endif 388 389 /* 390 * Big brother: who receives a blank-carbon copy of all mail that enters 391 * this mail system. 392 */ 393 #define VAR_ALWAYS_BCC "always_bcc" 394 #define DEF_ALWAYS_BCC "" 395 extern char *var_always_bcc; 396 397 /* 398 * What to put in the To: header when no recipients were disclosed. 399 * 400 * XXX 2822: When no recipient headers remain, a system should insert a Bcc: 401 * header without additional information. That is not so great given that 402 * MTAs routinely strip Bcc: headers from message headers. 403 */ 404 #define VAR_RCPT_WITHELD "undisclosed_recipients_header" 405 #define DEF_RCPT_WITHELD "" 406 extern char *var_rcpt_witheld; 407 408 /* 409 * Add missing headers. Postfix 2.6 no longer adds headers to remote mail by 410 * default. 411 */ 412 #define VAR_ALWAYS_ADD_HDRS "always_add_missing_headers" 413 #define DEF_ALWAYS_ADD_HDRS 0 414 extern bool var_always_add_hdrs; 415 416 /* 417 * Dropping message headers. 418 */ 419 #define VAR_DROP_HDRS "message_drop_headers" 420 #define DEF_DROP_HDRS "bcc, content-length, resent-bcc, return-path" 421 extern char *var_drop_hdrs; 422 423 /* 424 * From: header format: we provide canned versions only, no Sendmail-style 425 * macro expansions. 426 */ 427 #define HFROM_FORMAT_NAME_STD "standard" /* From: name <address> */ 428 #define HFROM_FORMAT_NAME_OBS "obsolete" /* From: address (name) */ 429 #define VAR_HFROM_FORMAT "header_from_format" 430 #define DEF_HFROM_FORMAT HFROM_FORMAT_NAME_STD 431 extern char *var_hfrom_format; 432 433 /* 434 * Standards violation: allow/permit RFC 822-style addresses in SMTP 435 * commands. 436 */ 437 #define VAR_STRICT_RFC821_ENV "strict_rfc821_envelopes" 438 #define DEF_STRICT_RFC821_ENV 0 439 extern bool var_strict_rfc821_env; 440 441 /* 442 * Standards violation: send "250 AUTH=list" in order to accommodate clients 443 * that implement an old version of the protocol. 444 */ 445 #define VAR_BROKEN_AUTH_CLNTS "broken_sasl_auth_clients" 446 #define DEF_BROKEN_AUTH_CLNTS 0 447 extern bool var_broken_auth_clients; 448 449 /* 450 * Standards violation: disable VRFY. 451 */ 452 #define VAR_DISABLE_VRFY_CMD "disable_vrfy_command" 453 #define DEF_DISABLE_VRFY_CMD 0 454 extern bool var_disable_vrfy_cmd; 455 456 /* 457 * trivial rewrite/resolve service: mapping tables. 458 */ 459 #define VAR_VIRT_ALIAS_MAPS "virtual_alias_maps" 460 #define DEF_VIRT_ALIAS_MAPS "$virtual_maps" /* Compatibility! */ 461 extern char *var_virt_alias_maps; 462 463 #define VAR_VIRT_ALIAS_DOMS "virtual_alias_domains" 464 #define DEF_VIRT_ALIAS_DOMS "$virtual_alias_maps" 465 extern char *var_virt_alias_doms; 466 467 #define VAR_VIRT_ALIAS_CODE "unknown_virtual_alias_reject_code" 468 #define DEF_VIRT_ALIAS_CODE 550 469 extern int var_virt_alias_code; 470 471 #define VAR_CANONICAL_MAPS "canonical_maps" 472 #define DEF_CANONICAL_MAPS "" 473 extern char *var_canonical_maps; 474 475 #define VAR_SEND_CANON_MAPS "sender_canonical_maps" 476 #define DEF_SEND_CANON_MAPS "" 477 extern char *var_send_canon_maps; 478 479 #define VAR_RCPT_CANON_MAPS "recipient_canonical_maps" 480 #define DEF_RCPT_CANON_MAPS "" 481 extern char *var_rcpt_canon_maps; 482 483 #define CANON_CLASS_ENV_FROM "envelope_sender" 484 #define CANON_CLASS_ENV_RCPT "envelope_recipient" 485 #define CANON_CLASS_HDR_FROM "header_sender" 486 #define CANON_CLASS_HDR_RCPT "header_recipient" 487 488 #define VAR_CANON_CLASSES "canonical_classes" 489 #define DEF_CANON_CLASSES CANON_CLASS_ENV_FROM ", " \ 490 CANON_CLASS_ENV_RCPT ", " \ 491 CANON_CLASS_HDR_FROM ", " \ 492 CANON_CLASS_HDR_RCPT 493 extern char *var_canon_classes; 494 495 #define VAR_SEND_CANON_CLASSES "sender_canonical_classes" 496 #define DEF_SEND_CANON_CLASSES CANON_CLASS_ENV_FROM ", " \ 497 CANON_CLASS_HDR_FROM 498 extern char *var_send_canon_classes; 499 500 #define VAR_RCPT_CANON_CLASSES "recipient_canonical_classes" 501 #define DEF_RCPT_CANON_CLASSES CANON_CLASS_ENV_RCPT ", " \ 502 CANON_CLASS_HDR_RCPT 503 extern char *var_rcpt_canon_classes; 504 505 #define VAR_SEND_BCC_MAPS "sender_bcc_maps" 506 #define DEF_SEND_BCC_MAPS "" 507 extern char *var_send_bcc_maps; 508 509 #define VAR_RCPT_BCC_MAPS "recipient_bcc_maps" 510 #define DEF_RCPT_BCC_MAPS "" 511 extern char *var_rcpt_bcc_maps; 512 513 #define VAR_TRANSPORT_MAPS "transport_maps" 514 #define DEF_TRANSPORT_MAPS "" 515 extern char *var_transport_maps; 516 517 #define VAR_DEF_TRANSPORT "default_transport" 518 #define DEF_DEF_TRANSPORT MAIL_SERVICE_SMTP 519 extern char *var_def_transport; 520 521 #define VAR_SND_DEF_XPORT_MAPS "sender_dependent_" VAR_DEF_TRANSPORT "_maps" 522 #define DEF_SND_DEF_XPORT_MAPS "" 523 extern char *var_snd_def_xport_maps; 524 525 #define VAR_NULL_DEF_XPORT_MAPS_KEY "empty_address_" VAR_DEF_TRANSPORT "_maps_lookup_key" 526 #define DEF_NULL_DEF_XPORT_MAPS_KEY "<>" 527 extern char *var_null_def_xport_maps_key; 528 529 /* 530 * trivial rewrite/resolve service: rewriting controls. 531 */ 532 #define VAR_SWAP_BANGPATH "swap_bangpath" 533 #define DEF_SWAP_BANGPATH 1 534 extern bool var_swap_bangpath; 535 536 #define VAR_APP_AT_MYORIGIN "append_at_myorigin" 537 #define DEF_APP_AT_MYORIGIN 1 538 extern bool var_append_at_myorigin; 539 540 #define VAR_APP_DOT_MYDOMAIN "append_dot_mydomain" 541 #define DEF_APP_DOT_MYDOMAIN "${{$compatibility_level} <level {1} ? " \ 542 "{yes} : {no}}" 543 extern bool var_append_dot_mydomain; 544 545 #define VAR_PERCENT_HACK "allow_percent_hack" 546 #define DEF_PERCENT_HACK 1 547 extern bool var_percent_hack; 548 549 /* 550 * Local delivery: alias databases. 551 */ 552 #define VAR_ALIAS_MAPS "alias_maps" 553 #ifdef HAS_NIS 554 #define DEF_ALIAS_MAPS ALIAS_DB_MAP ", nis:mail.aliases" 555 #else 556 #define DEF_ALIAS_MAPS ALIAS_DB_MAP 557 #endif 558 extern char *var_alias_maps; 559 560 /* 561 * Local delivery: to BIFF or not to BIFF. 562 */ 563 #define VAR_BIFF "biff" 564 #define DEF_BIFF 1 565 extern bool var_biff; 566 567 /* 568 * Local delivery: mail to files/commands. 569 */ 570 #define VAR_ALLOW_COMMANDS "allow_mail_to_commands" 571 #define DEF_ALLOW_COMMANDS "alias, forward" 572 extern char *var_allow_commands; 573 574 #define VAR_COMMAND_MAXTIME "command_time_limit" 575 #define _MAXTIME "_time_limit" 576 #define DEF_COMMAND_MAXTIME "1000s" 577 extern int var_command_maxtime; 578 579 #define VAR_ALLOW_FILES "allow_mail_to_files" 580 #define DEF_ALLOW_FILES "alias, forward" 581 extern char *var_allow_files; 582 583 #define VAR_LOCAL_CMD_SHELL "local_command_shell" 584 #define DEF_LOCAL_CMD_SHELL "" 585 extern char *var_local_cmd_shell; 586 587 #define VAR_ALIAS_DB_MAP "alias_database" 588 #define DEF_ALIAS_DB_MAP ALIAS_DB_MAP /* sys_defs.h */ 589 extern char *var_alias_db_map; 590 591 #define VAR_LUSER_RELAY "luser_relay" 592 #define DEF_LUSER_RELAY "" 593 extern char *var_luser_relay; 594 595 /* 596 * Local delivery: mailbox delivery. 597 */ 598 #define VAR_MAIL_SPOOL_DIR "mail_spool_directory" 599 #ifndef DEF_MAIL_SPOOL_DIR 600 #define DEF_MAIL_SPOOL_DIR _PATH_MAILDIR 601 #endif 602 extern char *var_mail_spool_dir; 603 604 #define VAR_HOME_MAILBOX "home_mailbox" 605 #define DEF_HOME_MAILBOX "" 606 extern char *var_home_mailbox; 607 608 #define VAR_MAILBOX_COMMAND "mailbox_command" 609 #define DEF_MAILBOX_COMMAND "" 610 extern char *var_mailbox_command; 611 612 #define VAR_MAILBOX_CMD_MAPS "mailbox_command_maps" 613 #define DEF_MAILBOX_CMD_MAPS "" 614 extern char *var_mailbox_cmd_maps; 615 616 #define VAR_MAILBOX_TRANSP "mailbox_transport" 617 #define DEF_MAILBOX_TRANSP "" 618 extern char *var_mailbox_transport; 619 620 #define VAR_MBOX_TRANSP_MAPS "mailbox_transport_maps" 621 #define DEF_MBOX_TRANSP_MAPS "" 622 extern char *var_mbox_transp_maps; 623 624 #define VAR_FALLBACK_TRANSP "fallback_transport" 625 #define DEF_FALLBACK_TRANSP "" 626 extern char *var_fallback_transport; 627 628 #define VAR_FBCK_TRANSP_MAPS "fallback_transport_maps" 629 #define DEF_FBCK_TRANSP_MAPS "" 630 extern char *var_fbck_transp_maps; 631 632 /* 633 * Local delivery: path to per-user forwarding file. 634 */ 635 #define VAR_FORWARD_PATH "forward_path" 636 #define DEF_FORWARD_PATH "$home/.forward${recipient_delimiter}${extension}, $home/.forward" 637 extern char *var_forward_path; 638 639 /* 640 * Local delivery: external command execution directory. 641 */ 642 #define VAR_EXEC_DIRECTORY "command_execution_directory" 643 #define DEF_EXEC_DIRECTORY "" 644 extern char *var_exec_directory; 645 646 #define VAR_EXEC_EXP_FILTER "execution_directory_expansion_filter" 647 #define DEF_EXEC_EXP_FILTER "1234567890!@%-_=+:,./\ 648 abcdefghijklmnopqrstuvwxyz\ 649 ABCDEFGHIJKLMNOPQRSTUVWXYZ" 650 extern char *var_exec_exp_filter; 651 652 /* 653 * Mailbox locking. DEF_MAILBOX_LOCK is defined in sys_defs.h. 654 */ 655 #define VAR_MAILBOX_LOCK "mailbox_delivery_lock" 656 extern char *var_mailbox_lock; 657 658 /* 659 * Mailbox size limit. This used to be enforced as a side effect of the way 660 * the message size limit is implemented, but that is not clean. 661 */ 662 #define VAR_MAILBOX_LIMIT "mailbox_size_limit" 663 #define DEF_MAILBOX_LIMIT (DEF_MESSAGE_LIMIT * 5) 664 extern long var_mailbox_limit; 665 666 /* 667 * Miscellaneous. 668 */ 669 #define VAR_PROP_EXTENSION "propagate_unmatched_extensions" 670 #define DEF_PROP_EXTENSION "canonical, virtual" 671 extern char *var_prop_extension; 672 673 #define VAR_RCPT_DELIM "recipient_delimiter" 674 #define DEF_RCPT_DELIM "" 675 extern char *var_rcpt_delim; 676 677 #define VAR_CMD_EXP_FILTER "command_expansion_filter" 678 #define DEF_CMD_EXP_FILTER "1234567890!@%-_=+:,./\ 679 abcdefghijklmnopqrstuvwxyz\ 680 ABCDEFGHIJKLMNOPQRSTUVWXYZ" 681 extern char *var_cmd_exp_filter; 682 683 #define VAR_FWD_EXP_FILTER "forward_expansion_filter" 684 #define DEF_FWD_EXP_FILTER "1234567890!@%-_=+:,./\ 685 abcdefghijklmnopqrstuvwxyz\ 686 ABCDEFGHIJKLMNOPQRSTUVWXYZ" 687 extern char *var_fwd_exp_filter; 688 689 #define VAR_DELIVER_HDR "prepend_delivered_header" 690 #define DEF_DELIVER_HDR "command, file, forward" 691 extern char *var_deliver_hdr; 692 693 /* 694 * Cleanup: enable support for X-Original-To message headers, which are 695 * needed for multi-recipient mailboxes. When this is turned on, perform 696 * duplicate elimination on (original rcpt, rewritten rcpt) pairs, and 697 * generating non-empty original recipient records in the queue file. 698 */ 699 #define VAR_ENABLE_ORCPT "enable_original_recipient" 700 #define DEF_ENABLE_ORCPT 1 701 extern bool var_enable_orcpt; 702 703 #define VAR_EXP_OWN_ALIAS "expand_owner_alias" 704 #define DEF_EXP_OWN_ALIAS 0 705 extern bool var_exp_own_alias; 706 707 #define VAR_STAT_HOME_DIR "require_home_directory" 708 #define DEF_STAT_HOME_DIR 0 709 extern bool var_stat_home_dir; 710 711 /* 712 * Cleanup server: maximal size of the duplicate expansion filter. By 713 * default, we do graceful degradation with huge mailing lists. 714 */ 715 #define VAR_DUP_FILTER_LIMIT "duplicate_filter_limit" 716 #define DEF_DUP_FILTER_LIMIT 1000 717 extern int var_dup_filter_limit; 718 719 /* 720 * Transport Layer Security (TLS) protocol support. 721 */ 722 #define VAR_TLS_MGR_SERVICE "tlsmgr_service_name" 723 #define DEF_TLS_MGR_SERVICE "tlsmgr" 724 extern char *var_tls_mgr_service; 725 726 #define VAR_TLS_APPEND_DEF_CA "tls_append_default_CA" 727 #define DEF_TLS_APPEND_DEF_CA 0 /* Postfix < 2.8 BC break */ 728 extern bool var_tls_append_def_CA; 729 730 #define VAR_TLS_RAND_EXCH_NAME "tls_random_exchange_name" 731 #define DEF_TLS_RAND_EXCH_NAME "${data_directory}/prng_exch" 732 extern char *var_tls_rand_exch_name; 733 734 #define VAR_TLS_RAND_SOURCE "tls_random_source" 735 #ifdef PREFERRED_RAND_SOURCE 736 #define DEF_TLS_RAND_SOURCE PREFERRED_RAND_SOURCE 737 #else 738 #define DEF_TLS_RAND_SOURCE "" 739 #endif 740 extern char *var_tls_rand_source; 741 742 #define VAR_TLS_RAND_BYTES "tls_random_bytes" 743 #define DEF_TLS_RAND_BYTES 32 744 extern int var_tls_rand_bytes; 745 746 #define VAR_TLS_DAEMON_RAND_BYTES "tls_daemon_random_bytes" 747 #define DEF_TLS_DAEMON_RAND_BYTES 32 748 extern int var_tls_daemon_rand_bytes; 749 750 #define VAR_TLS_RESEED_PERIOD "tls_random_reseed_period" 751 #define DEF_TLS_RESEED_PERIOD "3600s" 752 extern int var_tls_reseed_period; 753 754 #define VAR_TLS_PRNG_UPD_PERIOD "tls_random_prng_update_period" 755 #define DEF_TLS_PRNG_UPD_PERIOD "3600s" 756 extern int var_tls_prng_upd_period; 757 758 /* 759 * Queue manager: relocated databases. 760 */ 761 #define VAR_RELOCATED_MAPS "relocated_maps" 762 #define DEF_RELOCATED_MAPS "" 763 extern char *var_relocated_maps; 764 765 /* 766 * Queue manager: after each failed attempt the backoff time (how long we 767 * won't try this host in seconds) is doubled until it reaches the maximum. 768 * MAX_QUEUE_TIME limits the amount of time a message may spend in the mail 769 * queue before it is sent back. 770 */ 771 #define VAR_QUEUE_RUN_DELAY "queue_run_delay" 772 #define DEF_QUEUE_RUN_DELAY "300s" 773 774 #define VAR_MIN_BACKOFF_TIME "minimal_backoff_time" 775 #define DEF_MIN_BACKOFF_TIME DEF_QUEUE_RUN_DELAY 776 extern int var_min_backoff_time; 777 778 #define VAR_MAX_BACKOFF_TIME "maximal_backoff_time" 779 #define DEF_MAX_BACKOFF_TIME "4000s" 780 extern int var_max_backoff_time; 781 782 #define VAR_MAX_QUEUE_TIME "maximal_queue_lifetime" 783 #define DEF_MAX_QUEUE_TIME "5d" 784 extern int var_max_queue_time; 785 786 /* 787 * XXX The default can't be $maximal_queue_lifetime, because that panics 788 * when a non-default maximal_queue_lifetime setting contains no time unit. 789 */ 790 #define VAR_DSN_QUEUE_TIME "bounce_queue_lifetime" 791 #define DEF_DSN_QUEUE_TIME "5d" 792 extern int var_dsn_queue_time; 793 794 #define VAR_DELAY_WARN_TIME "delay_warning_time" 795 #define DEF_DELAY_WARN_TIME "0h" 796 extern int var_delay_warn_time; 797 798 #define VAR_DSN_DELAY_CLEARED "confirm_delay_cleared" 799 #define DEF_DSN_DELAY_CLEARED 0 800 extern int var_dsn_delay_cleared; 801 802 /* 803 * Queue manager: various in-core message and recipient limits. 804 */ 805 #define VAR_QMGR_ACT_LIMIT "qmgr_message_active_limit" 806 #define DEF_QMGR_ACT_LIMIT 20000 807 extern int var_qmgr_active_limit; 808 809 #define VAR_QMGR_RCPT_LIMIT "qmgr_message_recipient_limit" 810 #define DEF_QMGR_RCPT_LIMIT 20000 811 extern int var_qmgr_rcpt_limit; 812 813 #define VAR_QMGR_MSG_RCPT_LIMIT "qmgr_message_recipient_minimum" 814 #define DEF_QMGR_MSG_RCPT_LIMIT 10 815 extern int var_qmgr_msg_rcpt_limit; 816 817 #define VAR_XPORT_RCPT_LIMIT "default_recipient_limit" 818 #define _XPORT_RCPT_LIMIT "_recipient_limit" 819 #define DEF_XPORT_RCPT_LIMIT 20000 820 extern int var_xport_rcpt_limit; 821 822 #define VAR_STACK_RCPT_LIMIT "default_extra_recipient_limit" 823 #define _STACK_RCPT_LIMIT "_extra_recipient_limit" 824 #define DEF_STACK_RCPT_LIMIT 1000 825 extern int var_stack_rcpt_limit; 826 827 #define VAR_XPORT_REFILL_LIMIT "default_recipient_refill_limit" 828 #define _XPORT_REFILL_LIMIT "_recipient_refill_limit" 829 #define DEF_XPORT_REFILL_LIMIT 100 830 extern int var_xport_refill_limit; 831 832 #define VAR_XPORT_REFILL_DELAY "default_recipient_refill_delay" 833 #define _XPORT_REFILL_DELAY "_recipient_refill_delay" 834 #define DEF_XPORT_REFILL_DELAY "5s" 835 extern int var_xport_refill_delay; 836 837 /* 838 * Queue manager: default job scheduler parameters. 839 */ 840 #define VAR_DELIVERY_SLOT_COST "default_delivery_slot_cost" 841 #define _DELIVERY_SLOT_COST "_delivery_slot_cost" 842 #define DEF_DELIVERY_SLOT_COST 5 843 extern int var_delivery_slot_cost; 844 845 #define VAR_DELIVERY_SLOT_LOAN "default_delivery_slot_loan" 846 #define _DELIVERY_SLOT_LOAN "_delivery_slot_loan" 847 #define DEF_DELIVERY_SLOT_LOAN 3 848 extern int var_delivery_slot_loan; 849 850 #define VAR_DELIVERY_SLOT_DISCOUNT "default_delivery_slot_discount" 851 #define _DELIVERY_SLOT_DISCOUNT "_delivery_slot_discount" 852 #define DEF_DELIVERY_SLOT_DISCOUNT 50 853 extern int var_delivery_slot_discount; 854 855 #define VAR_MIN_DELIVERY_SLOTS "default_minimum_delivery_slots" 856 #define _MIN_DELIVERY_SLOTS "_minimum_delivery_slots" 857 #define DEF_MIN_DELIVERY_SLOTS 3 858 extern int var_min_delivery_slots; 859 860 #define VAR_QMGR_FUDGE "qmgr_fudge_factor" 861 #define DEF_QMGR_FUDGE 100 862 extern int var_qmgr_fudge; 863 864 /* 865 * Queue manager: default destination concurrency levels. 866 */ 867 #define VAR_INIT_DEST_CON "initial_destination_concurrency" 868 #define _INIT_DEST_CON "_initial_destination_concurrency" 869 #define DEF_INIT_DEST_CON 5 870 extern int var_init_dest_concurrency; 871 872 #define VAR_DEST_CON_LIMIT "default_destination_concurrency_limit" 873 #define _DEST_CON_LIMIT "_destination_concurrency_limit" 874 #define DEF_DEST_CON_LIMIT 20 875 extern int var_dest_con_limit; 876 877 #define VAR_LOCAL_CON_LIMIT "local" _DEST_CON_LIMIT 878 #define DEF_LOCAL_CON_LIMIT 2 879 extern int var_local_con_lim; 880 881 /* 882 * Queue manager: default number of recipients per transaction. 883 */ 884 #define VAR_DEST_RCPT_LIMIT "default_destination_recipient_limit" 885 #define _DEST_RCPT_LIMIT "_destination_recipient_limit" 886 #define DEF_DEST_RCPT_LIMIT 50 887 extern int var_dest_rcpt_limit; 888 889 #define VAR_LOCAL_RCPT_LIMIT "local" _DEST_RCPT_LIMIT /* XXX */ 890 #define DEF_LOCAL_RCPT_LIMIT 1 /* XXX */ 891 extern int var_local_rcpt_lim; 892 893 /* 894 * Queue manager: default delay before retrying a dead transport. 895 */ 896 #define VAR_XPORT_RETRY_TIME "transport_retry_time" 897 #define DEF_XPORT_RETRY_TIME "60s" 898 extern int var_transport_retry_time; 899 900 /* 901 * Queue manager: what transports to defer delivery to. 902 */ 903 #define VAR_DEFER_XPORTS "defer_transports" 904 #define DEF_DEFER_XPORTS "" 905 extern char *var_defer_xports; 906 907 /* 908 * Queue manager: how often to warn that a destination is clogging the 909 * active queue. 910 */ 911 #define VAR_QMGR_CLOG_WARN_TIME "qmgr_clog_warn_time" 912 #define DEF_QMGR_CLOG_WARN_TIME "300s" 913 extern int var_qmgr_clog_warn_time; 914 915 /* 916 * Master: default process count limit per mail subsystem. 917 */ 918 #define VAR_PROC_LIMIT "default_process_limit" 919 #define DEF_PROC_LIMIT 100 920 extern int var_proc_limit; 921 922 /* 923 * Master: default time to wait after service is throttled. 924 */ 925 #define VAR_THROTTLE_TIME "service_throttle_time" 926 #define DEF_THROTTLE_TIME "60s" 927 extern int var_throttle_time; 928 929 /* 930 * Master: what master.cf services are turned off. 931 */ 932 #define VAR_MASTER_DISABLE "master_service_disable" 933 #define DEF_MASTER_DISABLE "" 934 extern char *var_master_disable; 935 936 /* 937 * Any subsystem: default maximum number of clients serviced before a mail 938 * subsystem terminates (except queue manager). 939 */ 940 #define VAR_MAX_USE "max_use" 941 #define DEF_MAX_USE 100 942 extern int var_use_limit; 943 944 /* 945 * Any subsystem: default amount of time a mail subsystem waits for a client 946 * connection (except queue manager). 947 */ 948 #define VAR_MAX_IDLE "max_idle" 949 #define DEF_MAX_IDLE "100s" 950 extern int var_idle_limit; 951 952 /* 953 * Any subsystem: default amount of time a mail subsystem waits for 954 * application events to drain. 955 */ 956 #define VAR_EVENT_DRAIN "application_event_drain_time" 957 #define DEF_EVENT_DRAIN "100s" 958 extern int var_event_drain; 959 960 /* 961 * Any subsystem: default amount of time a mail subsystem keeps an internal 962 * IPC connection before closing it because it is idle for too much time. 963 */ 964 #define VAR_IPC_IDLE "ipc_idle" 965 #define DEF_IPC_IDLE "5s" 966 extern int var_ipc_idle_limit; 967 968 /* 969 * Any subsystem: default amount of time a mail subsystem keeps an internal 970 * IPC connection before closing it because the connection has existed for 971 * too much time. 972 */ 973 #define VAR_IPC_TTL "ipc_ttl" 974 #define DEF_IPC_TTL "1000s" 975 extern int var_ipc_ttl_limit; 976 977 /* 978 * Any front-end subsystem: avoid running out of memory when someone sends 979 * infinitely-long requests or replies. 980 */ 981 #define VAR_LINE_LIMIT "line_length_limit" 982 #define DEF_LINE_LIMIT 2048 983 extern int var_line_limit; 984 985 /* 986 * Specify what SMTP peers need verbose logging. 987 */ 988 #define VAR_DEBUG_PEER_LIST "debug_peer_list" 989 #define DEF_DEBUG_PEER_LIST "" 990 extern char *var_debug_peer_list; 991 992 #define VAR_DEBUG_PEER_LEVEL "debug_peer_level" 993 #define DEF_DEBUG_PEER_LEVEL 2 994 extern int var_debug_peer_level; 995 996 /* 997 * Queue management: what queues are hashed behind a forest of 998 * subdirectories, and how deep the forest is. 999 */ 1000 #define VAR_HASH_QUEUE_NAMES "hash_queue_names" 1001 #define DEF_HASH_QUEUE_NAMES "deferred, defer" 1002 extern char *var_hash_queue_names; 1003 1004 #define VAR_HASH_QUEUE_DEPTH "hash_queue_depth" 1005 #define DEF_HASH_QUEUE_DEPTH 1 1006 extern int var_hash_queue_depth; 1007 1008 /* 1009 * Short queue IDs contain the time in microseconds and file inode number. 1010 * Long queue IDs also contain the time in seconds. 1011 */ 1012 #define VAR_LONG_QUEUE_IDS "enable_long_queue_ids" 1013 #define DEF_LONG_QUEUE_IDS 0 1014 extern bool var_long_queue_ids; 1015 1016 /* 1017 * Multi-protocol support. 1018 */ 1019 #define INET_PROTO_NAME_IPV4 "ipv4" 1020 #define INET_PROTO_NAME_IPV6 "ipv6" 1021 #define INET_PROTO_NAME_ALL "all" 1022 #define INET_PROTO_NAME_ANY "any" 1023 #define VAR_INET_PROTOCOLS "inet_protocols" 1024 extern char *var_inet_protocols; 1025 1026 /* 1027 * SMTP client. Timeouts inspired by RFC 1123. The SMTP recipient limit 1028 * determines how many recipient addresses the SMTP client sends along with 1029 * each message. Unfortunately, some mailers misbehave and disconnect (smap) 1030 * when given more recipients than they are willing to handle. 1031 * 1032 * XXX 2821: A mail system is supposed to use EHLO instead of HELO, and to fall 1033 * back to HELO if EHLO is not supported. 1034 */ 1035 #define VAR_BESTMX_TRANSP "best_mx_transport" 1036 #define DEF_BESTMX_TRANSP "" 1037 extern char *var_bestmx_transp; 1038 1039 #define VAR_SMTP_CACHE_CONNT "smtp_connection_cache_time_limit" 1040 #define DEF_SMTP_CACHE_CONNT "2s" 1041 #define VAR_LMTP_CACHE_CONNT "lmtp_connection_cache_time_limit" 1042 #define DEF_LMTP_CACHE_CONNT "2s" 1043 extern int var_smtp_cache_conn; 1044 1045 #define VAR_SMTP_REUSE_COUNT "smtp_connection_reuse_count_limit" 1046 #define DEF_SMTP_REUSE_COUNT 0 1047 #define VAR_LMTP_REUSE_COUNT "lmtp_connection_reuse_count_limit" 1048 #define DEF_LMTP_REUSE_COUNT 0 1049 extern int var_smtp_reuse_count; 1050 1051 #define VAR_SMTP_REUSE_TIME "smtp_connection_reuse_time_limit" 1052 #define DEF_SMTP_REUSE_TIME "300s" 1053 #define VAR_LMTP_REUSE_TIME "lmtp_connection_reuse_time_limit" 1054 #define DEF_LMTP_REUSE_TIME "300s" 1055 extern int var_smtp_reuse_time; 1056 1057 #define VAR_SMTP_CACHE_DEST "smtp_connection_cache_destinations" 1058 #define DEF_SMTP_CACHE_DEST "" 1059 #define VAR_LMTP_CACHE_DEST "lmtp_connection_cache_destinations" 1060 #define DEF_LMTP_CACHE_DEST "" 1061 extern char *var_smtp_cache_dest; 1062 1063 #define VAR_SMTP_CACHE_DEMAND "smtp_connection_cache_on_demand" 1064 #ifndef DEF_SMTP_CACHE_DEMAND 1065 #define DEF_SMTP_CACHE_DEMAND 1 1066 #endif 1067 #define VAR_LMTP_CACHE_DEMAND "lmtp_connection_cache_on_demand" 1068 #ifndef DEF_LMTP_CACHE_DEMAND 1069 #define DEF_LMTP_CACHE_DEMAND 1 1070 #endif 1071 extern bool var_smtp_cache_demand; 1072 1073 #define VAR_SMTP_CONN_TMOUT "smtp_connect_timeout" 1074 #define DEF_SMTP_CONN_TMOUT "30s" 1075 extern int var_smtp_conn_tmout; 1076 1077 #define VAR_SMTP_HELO_TMOUT "smtp_helo_timeout" 1078 #define DEF_SMTP_HELO_TMOUT "300s" 1079 #define VAR_LMTP_HELO_TMOUT "lmtp_lhlo_timeout" 1080 #define DEF_LMTP_HELO_TMOUT "300s" 1081 extern int var_smtp_helo_tmout; 1082 1083 #define VAR_SMTP_XFWD_TMOUT "smtp_xforward_timeout" 1084 #define DEF_SMTP_XFWD_TMOUT "300s" 1085 extern int var_smtp_xfwd_tmout; 1086 1087 #define VAR_SMTP_STARTTLS_TMOUT "smtp_starttls_timeout" 1088 #define DEF_SMTP_STARTTLS_TMOUT "300s" 1089 #define VAR_LMTP_STARTTLS_TMOUT "lmtp_starttls_timeout" 1090 #define DEF_LMTP_STARTTLS_TMOUT "300s" 1091 extern int var_smtp_starttls_tmout; 1092 1093 #define VAR_SMTP_MAIL_TMOUT "smtp_mail_timeout" 1094 #define DEF_SMTP_MAIL_TMOUT "300s" 1095 extern int var_smtp_mail_tmout; 1096 1097 #define VAR_SMTP_RCPT_TMOUT "smtp_rcpt_timeout" 1098 #define DEF_SMTP_RCPT_TMOUT "300s" 1099 extern int var_smtp_rcpt_tmout; 1100 1101 #define VAR_SMTP_DATA0_TMOUT "smtp_data_init_timeout" 1102 #define DEF_SMTP_DATA0_TMOUT "120s" 1103 extern int var_smtp_data0_tmout; 1104 1105 #define VAR_SMTP_DATA1_TMOUT "smtp_data_xfer_timeout" 1106 #define DEF_SMTP_DATA1_TMOUT "180s" 1107 extern int var_smtp_data1_tmout; 1108 1109 #define VAR_SMTP_DATA2_TMOUT "smtp_data_done_timeout" 1110 #define DEF_SMTP_DATA2_TMOUT "600s" 1111 extern int var_smtp_data2_tmout; 1112 1113 #define VAR_SMTP_RSET_TMOUT "smtp_rset_timeout" 1114 #define DEF_SMTP_RSET_TMOUT "20s" 1115 extern int var_smtp_rset_tmout; 1116 1117 #define VAR_SMTP_QUIT_TMOUT "smtp_quit_timeout" 1118 #define DEF_SMTP_QUIT_TMOUT "300s" 1119 extern int var_smtp_quit_tmout; 1120 1121 #define VAR_SMTP_QUOTE_821_ENV "smtp_quote_rfc821_envelope" 1122 #define DEF_SMTP_QUOTE_821_ENV 1 1123 #define VAR_LMTP_QUOTE_821_ENV "lmtp_quote_rfc821_envelope" 1124 #define DEF_LMTP_QUOTE_821_ENV 1 1125 extern int var_smtp_quote_821_env; 1126 1127 #define VAR_SMTP_SKIP_5XX "smtp_skip_5xx_greeting" 1128 #define DEF_SMTP_SKIP_5XX 1 1129 #define VAR_LMTP_SKIP_5XX "lmtp_skip_5xx_greeting" 1130 #define DEF_LMTP_SKIP_5XX 1 1131 extern bool var_smtp_skip_5xx_greeting; 1132 1133 #define VAR_IGN_MX_LOOKUP_ERR "ignore_mx_lookup_error" 1134 #define DEF_IGN_MX_LOOKUP_ERR 0 1135 extern bool var_ign_mx_lookup_err; 1136 1137 #define VAR_SMTP_SKIP_QUIT_RESP "smtp_skip_quit_response" 1138 #define DEF_SMTP_SKIP_QUIT_RESP 1 1139 extern bool var_skip_quit_resp; 1140 1141 #define VAR_SMTP_ALWAYS_EHLO "smtp_always_send_ehlo" 1142 #ifdef RFC821_SYNTAX 1143 #define DEF_SMTP_ALWAYS_EHLO 0 1144 #else 1145 #define DEF_SMTP_ALWAYS_EHLO 1 1146 #endif 1147 extern bool var_smtp_always_ehlo; 1148 1149 #define VAR_SMTP_NEVER_EHLO "smtp_never_send_ehlo" 1150 #define DEF_SMTP_NEVER_EHLO 0 1151 extern bool var_smtp_never_ehlo; 1152 1153 #define VAR_SMTP_RESP_FILTER "smtp_reply_filter" 1154 #define DEF_SMTP_RESP_FILTER "" 1155 #define VAR_LMTP_RESP_FILTER "lmtp_reply_filter" 1156 #define DEF_LMTP_RESP_FILTER "" 1157 extern char *var_smtp_resp_filter; 1158 1159 #define VAR_SMTP_BIND_ADDR "smtp_bind_address" 1160 #define DEF_SMTP_BIND_ADDR "" 1161 #define VAR_LMTP_BIND_ADDR "lmtp_bind_address" 1162 #define DEF_LMTP_BIND_ADDR "" 1163 extern char *var_smtp_bind_addr; 1164 1165 #define VAR_SMTP_BIND_ADDR6 "smtp_bind_address6" 1166 #define DEF_SMTP_BIND_ADDR6 "" 1167 #define VAR_LMTP_BIND_ADDR6 "lmtp_bind_address6" 1168 #define DEF_LMTP_BIND_ADDR6 "" 1169 extern char *var_smtp_bind_addr6; 1170 1171 #define VAR_SMTP_BIND_ADDR_ENFORCE "smtp_bind_address_enforce" 1172 #define DEF_SMTP_BIND_ADDR_ENFORCE 0 1173 #define VAR_LMTP_BIND_ADDR_ENFORCE "lmtp_bind_address_enforce" 1174 #define DEF_LMTP_BIND_ADDR_ENFORCE 0 1175 extern bool var_smtp_bind_addr_enforce; 1176 1177 #define VAR_SMTP_HELO_NAME "smtp_helo_name" 1178 #define DEF_SMTP_HELO_NAME "$myhostname" 1179 #define VAR_LMTP_HELO_NAME "lmtp_lhlo_name" 1180 #define DEF_LMTP_HELO_NAME "$myhostname" 1181 extern char *var_smtp_helo_name; 1182 1183 #define VAR_SMTP_RAND_ADDR "smtp_randomize_addresses" 1184 #define DEF_SMTP_RAND_ADDR 1 1185 #define VAR_LMTP_RAND_ADDR "lmtp_randomize_addresses" 1186 #define DEF_LMTP_RAND_ADDR 1 1187 extern bool var_smtp_rand_addr; 1188 1189 #define VAR_SMTP_LINE_LIMIT "smtp_line_length_limit" 1190 #define DEF_SMTP_LINE_LIMIT 998 1191 #define VAR_LMTP_LINE_LIMIT "lmtp_line_length_limit" 1192 #define DEF_LMTP_LINE_LIMIT 998 1193 extern int var_smtp_line_limit; 1194 1195 #define VAR_SMTP_PIX_THRESH "smtp_pix_workaround_threshold_time" 1196 #define DEF_SMTP_PIX_THRESH "500s" 1197 #define VAR_LMTP_PIX_THRESH "lmtp_pix_workaround_threshold_time" 1198 #define DEF_LMTP_PIX_THRESH "500s" 1199 extern int var_smtp_pix_thresh; 1200 1201 #define VAR_SMTP_PIX_DELAY "smtp_pix_workaround_delay_time" 1202 #define DEF_SMTP_PIX_DELAY "10s" 1203 #define VAR_LMTP_PIX_DELAY "lmtp_pix_workaround_delay_time" 1204 #define DEF_LMTP_PIX_DELAY "10s" 1205 extern int var_smtp_pix_delay; 1206 1207 /* 1208 * Courageous people may want to turn off PIX bug workarounds. 1209 */ 1210 #define PIX_BUG_DISABLE_ESMTP "disable_esmtp" 1211 #define PIX_BUG_DELAY_DOTCRLF "delay_dotcrlf" 1212 #define VAR_SMTP_PIX_BUG_WORDS "smtp_pix_workarounds" 1213 #define DEF_SMTP_PIX_BUG_WORDS PIX_BUG_DISABLE_ESMTP "," \ 1214 PIX_BUG_DELAY_DOTCRLF 1215 #define VAR_LMTP_PIX_BUG_WORDS "lmtp_pix_workarounds" 1216 #define DEF_LMTP_PIX_BUG_WORDS DEF_SMTP_PIX_BUG_WORDS 1217 extern char *var_smtp_pix_bug_words; 1218 1219 #define VAR_SMTP_PIX_BUG_MAPS "smtp_pix_workaround_maps" 1220 #define DEF_SMTP_PIX_BUG_MAPS "" 1221 #define VAR_LMTP_PIX_BUG_MAPS "lmtp_pix_workaround_maps" 1222 #define DEF_LMTP_PIX_BUG_MAPS "" 1223 extern char *var_smtp_pix_bug_maps; 1224 1225 #define VAR_SMTP_DEFER_MXADDR "smtp_defer_if_no_mx_address_found" 1226 #define DEF_SMTP_DEFER_MXADDR 0 1227 #define VAR_LMTP_DEFER_MXADDR "lmtp_defer_if_no_mx_address_found" 1228 #define DEF_LMTP_DEFER_MXADDR 0 1229 extern bool var_smtp_defer_mxaddr; 1230 1231 #define VAR_SMTP_SEND_XFORWARD "smtp_send_xforward_command" 1232 #define DEF_SMTP_SEND_XFORWARD 0 1233 extern bool var_smtp_send_xforward; 1234 1235 #define VAR_SMTP_GENERIC_MAPS "smtp_generic_maps" 1236 #define DEF_SMTP_GENERIC_MAPS "" 1237 #define VAR_LMTP_GENERIC_MAPS "lmtp_generic_maps" 1238 #define DEF_LMTP_GENERIC_MAPS "" 1239 extern char *var_smtp_generic_maps; 1240 1241 /* 1242 * SMTP server. The soft error limit determines how many errors an SMTP 1243 * client may make before we start to slow down; the hard error limit 1244 * determines after how many client errors we disconnect. 1245 */ 1246 #define VAR_SMTPD_BANNER "smtpd_banner" 1247 #define DEF_SMTPD_BANNER "$myhostname ESMTP $mail_name" 1248 extern char *var_smtpd_banner; 1249 1250 #define VAR_SMTPD_TMOUT "smtpd_timeout" 1251 #define DEF_SMTPD_TMOUT "${stress?{10}:{300}}s" 1252 extern int var_smtpd_tmout; 1253 1254 #define VAR_SMTPD_STARTTLS_TMOUT "smtpd_starttls_timeout" 1255 #define DEF_SMTPD_STARTTLS_TMOUT "${stress?{10}:{300}}s" 1256 extern int var_smtpd_starttls_tmout; 1257 1258 #define VAR_SMTPD_RCPT_LIMIT "smtpd_recipient_limit" 1259 #define DEF_SMTPD_RCPT_LIMIT 1000 1260 extern int var_smtpd_rcpt_limit; 1261 1262 #define VAR_SMTPD_SOFT_ERLIM "smtpd_soft_error_limit" 1263 #define DEF_SMTPD_SOFT_ERLIM "10" 1264 extern int var_smtpd_soft_erlim; 1265 1266 #define VAR_SMTPD_HARD_ERLIM "smtpd_hard_error_limit" 1267 #define DEF_SMTPD_HARD_ERLIM "${stress?{1}:{20}}" 1268 extern int var_smtpd_hard_erlim; 1269 1270 #define VAR_SMTPD_ERR_SLEEP "smtpd_error_sleep_time" 1271 #define DEF_SMTPD_ERR_SLEEP "1s" 1272 extern int var_smtpd_err_sleep; 1273 1274 #define VAR_SMTPD_JUNK_CMD "smtpd_junk_command_limit" 1275 #define DEF_SMTPD_JUNK_CMD "${stress?{1}:{100}}" 1276 extern int var_smtpd_junk_cmd_limit; 1277 1278 #define VAR_SMTPD_RCPT_OVERLIM "smtpd_recipient_overshoot_limit" 1279 #define DEF_SMTPD_RCPT_OVERLIM 1000 1280 extern int var_smtpd_rcpt_overlim; 1281 1282 #define VAR_SMTPD_HIST_THRSH "smtpd_history_flush_threshold" 1283 #define DEF_SMTPD_HIST_THRSH 100 1284 extern int var_smtpd_hist_thrsh; 1285 1286 #define VAR_SMTPD_NOOP_CMDS "smtpd_noop_commands" 1287 #define DEF_SMTPD_NOOP_CMDS "" 1288 extern char *var_smtpd_noop_cmds; 1289 1290 #define VAR_SMTPD_FORBID_CMDS "smtpd_forbidden_commands" 1291 #define DEF_SMTPD_FORBID_CMDS "CONNECT GET POST regexp:{{/^[^A-Z]/ Bogus}}" 1292 extern char *var_smtpd_forbid_cmds; 1293 1294 #define VAR_SMTPD_CMD_FILTER "smtpd_command_filter" 1295 #define DEF_SMTPD_CMD_FILTER "" 1296 extern char *var_smtpd_cmd_filter; 1297 1298 #define VAR_SMTPD_TLS_WRAPPER "smtpd_tls_wrappermode" 1299 #define DEF_SMTPD_TLS_WRAPPER 0 1300 extern bool var_smtpd_tls_wrappermode; 1301 1302 #define VAR_SMTPD_TLS_LEVEL "smtpd_tls_security_level" 1303 #define DEF_SMTPD_TLS_LEVEL "" 1304 extern char *var_smtpd_tls_level; 1305 1306 #define VAR_SMTPD_USE_TLS "smtpd_use_tls" 1307 #define DEF_SMTPD_USE_TLS 0 1308 extern bool var_smtpd_use_tls; 1309 1310 #define VAR_SMTPD_ENFORCE_TLS "smtpd_enforce_tls" 1311 #define DEF_SMTPD_ENFORCE_TLS 0 1312 extern bool var_smtpd_enforce_tls; 1313 1314 #define VAR_SMTPD_TLS_AUTH_ONLY "smtpd_tls_auth_only" 1315 #define DEF_SMTPD_TLS_AUTH_ONLY 0 1316 extern bool var_smtpd_tls_auth_only; 1317 1318 #define VAR_SMTPD_TLS_ACERT "smtpd_tls_ask_ccert" 1319 #define DEF_SMTPD_TLS_ACERT 0 1320 extern bool var_smtpd_tls_ask_ccert; 1321 1322 #define VAR_SMTPD_TLS_RCERT "smtpd_tls_req_ccert" 1323 #define DEF_SMTPD_TLS_RCERT 0 1324 extern bool var_smtpd_tls_req_ccert; 1325 1326 #define VAR_SMTPD_TLS_ENABLE_RPK "smtpd_tls_enable_rpk" 1327 #define DEF_SMTPD_TLS_ENABLE_RPK 0 1328 extern bool var_smtpd_tls_enable_rpk; 1329 1330 #define VAR_SMTPD_TLS_CCERT_VD "smtpd_tls_ccert_verifydepth" 1331 #define DEF_SMTPD_TLS_CCERT_VD 9 1332 extern int var_smtpd_tls_ccert_vd; 1333 1334 #define VAR_SMTPD_TLS_CHAIN_FILES "smtpd_tls_chain_files" 1335 #define DEF_SMTPD_TLS_CHAIN_FILES "" 1336 extern char *var_smtpd_tls_chain_files; 1337 1338 #define VAR_SMTPD_TLS_CERT_FILE "smtpd_tls_cert_file" 1339 #define DEF_SMTPD_TLS_CERT_FILE "" 1340 extern char *var_smtpd_tls_cert_file; 1341 1342 #define VAR_SMTPD_TLS_KEY_FILE "smtpd_tls_key_file" 1343 #define DEF_SMTPD_TLS_KEY_FILE "$smtpd_tls_cert_file" 1344 extern char *var_smtpd_tls_key_file; 1345 1346 #define VAR_SMTPD_TLS_DCERT_FILE "smtpd_tls_dcert_file" 1347 #define DEF_SMTPD_TLS_DCERT_FILE "" 1348 extern char *var_smtpd_tls_dcert_file; 1349 1350 #define VAR_SMTPD_TLS_DKEY_FILE "smtpd_tls_dkey_file" 1351 #define DEF_SMTPD_TLS_DKEY_FILE "$smtpd_tls_dcert_file" 1352 extern char *var_smtpd_tls_dkey_file; 1353 1354 #define VAR_SMTPD_TLS_ECCERT_FILE "smtpd_tls_eccert_file" 1355 #define DEF_SMTPD_TLS_ECCERT_FILE "" 1356 extern char *var_smtpd_tls_eccert_file; 1357 1358 #define VAR_SMTPD_TLS_ECKEY_FILE "smtpd_tls_eckey_file" 1359 #define DEF_SMTPD_TLS_ECKEY_FILE "$smtpd_tls_eccert_file" 1360 extern char *var_smtpd_tls_eckey_file; 1361 1362 #define VAR_SMTPD_TLS_CA_FILE "smtpd_tls_CAfile" 1363 #define DEF_SMTPD_TLS_CA_FILE "" 1364 extern char *var_smtpd_tls_CAfile; 1365 1366 #define VAR_SMTPD_TLS_CA_PATH "smtpd_tls_CApath" 1367 #define DEF_SMTPD_TLS_CA_PATH "" 1368 extern char *var_smtpd_tls_CApath; 1369 1370 #define VAR_SMTPD_TLS_PROTO "smtpd_tls_protocols" 1371 #define DEF_SMTPD_TLS_PROTO ">=TLSv1" 1372 extern char *var_smtpd_tls_proto; 1373 1374 #define VAR_SMTPD_TLS_MAND_PROTO "smtpd_tls_mandatory_protocols" 1375 #define DEF_SMTPD_TLS_MAND_PROTO ">=TLSv1" 1376 extern char *var_smtpd_tls_mand_proto; 1377 1378 #define VAR_SMTPD_TLS_CIPH "smtpd_tls_ciphers" 1379 #define DEF_SMTPD_TLS_CIPH "medium" 1380 extern char *var_smtpd_tls_ciph; 1381 1382 #define VAR_SMTPD_TLS_MAND_CIPH "smtpd_tls_mandatory_ciphers" 1383 #define DEF_SMTPD_TLS_MAND_CIPH "medium" 1384 extern char *var_smtpd_tls_mand_ciph; 1385 1386 #define VAR_SMTPD_TLS_EXCL_CIPH "smtpd_tls_exclude_ciphers" 1387 #define DEF_SMTPD_TLS_EXCL_CIPH "" 1388 extern char *var_smtpd_tls_excl_ciph; 1389 1390 #define VAR_SMTPD_TLS_MAND_EXCL "smtpd_tls_mandatory_exclude_ciphers" 1391 #define DEF_SMTPD_TLS_MAND_EXCL "" 1392 extern char *var_smtpd_tls_mand_excl; 1393 1394 #define VAR_SMTPD_TLS_FPT_DGST "smtpd_tls_fingerprint_digest" 1395 #define DEF_SMTPD_TLS_FPT_DGST "${{$compatibility_level} <level {3.6} ? " \ 1396 "{md5} : {sha256}}" 1397 extern char *var_smtpd_tls_fpt_dgst; 1398 1399 #define VAR_SMTPD_TLS_512_FILE "smtpd_tls_dh512_param_file" 1400 #define DEF_SMTPD_TLS_512_FILE "" 1401 extern char *var_smtpd_tls_dh512_param_file; 1402 1403 #define VAR_SMTPD_TLS_1024_FILE "smtpd_tls_dh1024_param_file" 1404 #define DEF_SMTPD_TLS_1024_FILE "" 1405 extern char *var_smtpd_tls_dh1024_param_file; 1406 1407 #define VAR_SMTPD_TLS_EECDH "smtpd_tls_eecdh_grade" 1408 #define DEF_SMTPD_TLS_EECDH "auto" 1409 extern char *var_smtpd_tls_eecdh; 1410 1411 #define VAR_SMTPD_TLS_LOGLEVEL "smtpd_tls_loglevel" 1412 #define DEF_SMTPD_TLS_LOGLEVEL "0" 1413 extern char *var_smtpd_tls_loglevel; 1414 1415 #define VAR_SMTPD_TLS_RECHEAD "smtpd_tls_received_header" 1416 #define DEF_SMTPD_TLS_RECHEAD 0 1417 extern bool var_smtpd_tls_received_header; 1418 1419 #define VAR_SMTPD_TLS_SCACHE_DB "smtpd_tls_session_cache_database" 1420 #define DEF_SMTPD_TLS_SCACHE_DB "" 1421 extern char *var_smtpd_tls_scache_db; 1422 1423 #define MAX_SMTPD_TLS_SCACHETIME 8640000 1424 #define VAR_SMTPD_TLS_SCACHTIME "smtpd_tls_session_cache_timeout" 1425 #define DEF_SMTPD_TLS_SCACHTIME "3600s" 1426 extern int var_smtpd_tls_scache_timeout; 1427 1428 #define VAR_SMTPD_TLS_SET_SESSID "smtpd_tls_always_issue_session_ids" 1429 #define DEF_SMTPD_TLS_SET_SESSID 1 1430 extern bool var_smtpd_tls_set_sessid; 1431 1432 #define VAR_SMTPD_DELAY_OPEN "smtpd_delay_open_until_valid_rcpt" 1433 #define DEF_SMTPD_DELAY_OPEN 1 1434 extern bool var_smtpd_delay_open; 1435 1436 #define VAR_SMTP_TLS_PER_SITE "smtp_tls_per_site" 1437 #define DEF_SMTP_TLS_PER_SITE "" 1438 #define VAR_LMTP_TLS_PER_SITE "lmtp_tls_per_site" 1439 #define DEF_LMTP_TLS_PER_SITE "" 1440 extern char *var_smtp_tls_per_site; 1441 1442 #define VAR_SMTP_USE_TLS "smtp_use_tls" 1443 #define DEF_SMTP_USE_TLS 0 1444 #define VAR_LMTP_USE_TLS "lmtp_use_tls" 1445 #define DEF_LMTP_USE_TLS 0 1446 extern bool var_smtp_use_tls; 1447 1448 #define VAR_SMTP_ENFORCE_TLS "smtp_enforce_tls" 1449 #define DEF_SMTP_ENFORCE_TLS 0 1450 #define VAR_LMTP_ENFORCE_TLS "lmtp_enforce_tls" 1451 #define DEF_LMTP_ENFORCE_TLS 0 1452 extern bool var_smtp_enforce_tls; 1453 1454 #define VAR_SMTP_TLS_ENFORCE_PN "smtp_tls_enforce_peername" 1455 #define DEF_SMTP_TLS_ENFORCE_PN 1 1456 #define VAR_LMTP_TLS_ENFORCE_PN "lmtp_tls_enforce_peername" 1457 #define DEF_LMTP_TLS_ENFORCE_PN 1 1458 extern bool var_smtp_tls_enforce_peername; 1459 1460 #define VAR_SMTP_TLS_WRAPPER "smtp_tls_wrappermode" 1461 #define DEF_SMTP_TLS_WRAPPER 0 1462 #define VAR_LMTP_TLS_WRAPPER "lmtp_tls_wrappermode" 1463 #define DEF_LMTP_TLS_WRAPPER 0 1464 extern bool var_smtp_tls_wrappermode; 1465 1466 #define VAR_SMTP_TLS_LEVEL "smtp_tls_security_level" 1467 #define DEF_SMTP_TLS_LEVEL "" 1468 #define VAR_LMTP_TLS_LEVEL "lmtp_tls_security_level" 1469 #define DEF_LMTP_TLS_LEVEL "" 1470 extern char *var_smtp_tls_level; 1471 1472 #define VAR_SMTP_TLS_SCERT_VD "smtp_tls_scert_verifydepth" 1473 #define DEF_SMTP_TLS_SCERT_VD 9 1474 #define VAR_LMTP_TLS_SCERT_VD "lmtp_tls_scert_verifydepth" 1475 #define DEF_LMTP_TLS_SCERT_VD 9 1476 extern int var_smtp_tls_scert_vd; 1477 1478 #define VAR_SMTP_TLS_CHAIN_FILES "smtp_tls_chain_files" 1479 #define DEF_SMTP_TLS_CHAIN_FILES "" 1480 #define VAR_LMTP_TLS_CHAIN_FILES "lmtp_tls_chain_files" 1481 #define DEF_LMTP_TLS_CHAIN_FILES "" 1482 extern char *var_smtp_tls_chain_files; 1483 1484 #define VAR_SMTP_TLS_CERT_FILE "smtp_tls_cert_file" 1485 #define DEF_SMTP_TLS_CERT_FILE "" 1486 #define VAR_LMTP_TLS_CERT_FILE "lmtp_tls_cert_file" 1487 #define DEF_LMTP_TLS_CERT_FILE "" 1488 extern char *var_smtp_tls_cert_file; 1489 1490 #define VAR_SMTP_TLS_KEY_FILE "smtp_tls_key_file" 1491 #define DEF_SMTP_TLS_KEY_FILE "$smtp_tls_cert_file" 1492 #define VAR_LMTP_TLS_KEY_FILE "lmtp_tls_key_file" 1493 #define DEF_LMTP_TLS_KEY_FILE "$lmtp_tls_cert_file" 1494 extern char *var_smtp_tls_key_file; 1495 1496 #define VAR_SMTP_TLS_DCERT_FILE "smtp_tls_dcert_file" 1497 #define DEF_SMTP_TLS_DCERT_FILE "" 1498 #define VAR_LMTP_TLS_DCERT_FILE "lmtp_tls_dcert_file" 1499 #define DEF_LMTP_TLS_DCERT_FILE "" 1500 extern char *var_smtp_tls_dcert_file; 1501 1502 #define VAR_SMTP_TLS_DKEY_FILE "smtp_tls_dkey_file" 1503 #define DEF_SMTP_TLS_DKEY_FILE "$smtp_tls_dcert_file" 1504 #define VAR_LMTP_TLS_DKEY_FILE "lmtp_tls_dkey_file" 1505 #define DEF_LMTP_TLS_DKEY_FILE "$lmtp_tls_dcert_file" 1506 extern char *var_smtp_tls_dkey_file; 1507 1508 #define VAR_SMTP_TLS_ECCERT_FILE "smtp_tls_eccert_file" 1509 #define DEF_SMTP_TLS_ECCERT_FILE "" 1510 #define VAR_LMTP_TLS_ECCERT_FILE "lmtp_tls_eccert_file" 1511 #define DEF_LMTP_TLS_ECCERT_FILE "" 1512 extern char *var_smtp_tls_eccert_file; 1513 1514 #define VAR_SMTP_TLS_ECKEY_FILE "smtp_tls_eckey_file" 1515 #define DEF_SMTP_TLS_ECKEY_FILE "$smtp_tls_eccert_file" 1516 #define VAR_LMTP_TLS_ECKEY_FILE "lmtp_tls_eckey_file" 1517 #define DEF_LMTP_TLS_ECKEY_FILE "$lmtp_tls_eccert_file" 1518 extern char *var_smtp_tls_eckey_file; 1519 1520 #define VAR_SMTP_TLS_CA_FILE "smtp_tls_CAfile" 1521 #define DEF_SMTP_TLS_CA_FILE "" 1522 #define VAR_LMTP_TLS_CA_FILE "lmtp_tls_CAfile" 1523 #define DEF_LMTP_TLS_CA_FILE "" 1524 extern char *var_smtp_tls_CAfile; 1525 1526 #define VAR_SMTP_TLS_CA_PATH "smtp_tls_CApath" 1527 #define DEF_SMTP_TLS_CA_PATH "" 1528 #define VAR_LMTP_TLS_CA_PATH "lmtp_tls_CApath" 1529 #define DEF_LMTP_TLS_CA_PATH "" 1530 extern char *var_smtp_tls_CApath; 1531 1532 #define VAR_SMTP_TLS_CIPH "smtp_tls_ciphers" 1533 #define DEF_SMTP_TLS_CIPH "medium" 1534 #define VAR_LMTP_TLS_CIPH "lmtp_tls_ciphers" 1535 #define DEF_LMTP_TLS_CIPH "medium" 1536 extern char *var_smtp_tls_ciph; 1537 1538 #define VAR_SMTP_TLS_MAND_CIPH "smtp_tls_mandatory_ciphers" 1539 #define DEF_SMTP_TLS_MAND_CIPH "medium" 1540 #define VAR_LMTP_TLS_MAND_CIPH "lmtp_tls_mandatory_ciphers" 1541 #define DEF_LMTP_TLS_MAND_CIPH "medium" 1542 extern char *var_smtp_tls_mand_ciph; 1543 1544 #define VAR_SMTP_TLS_EXCL_CIPH "smtp_tls_exclude_ciphers" 1545 #define DEF_SMTP_TLS_EXCL_CIPH "" 1546 #define VAR_LMTP_TLS_EXCL_CIPH "lmtp_tls_exclude_ciphers" 1547 #define DEF_LMTP_TLS_EXCL_CIPH "" 1548 extern char *var_smtp_tls_excl_ciph; 1549 1550 #define VAR_SMTP_TLS_MAND_EXCL "smtp_tls_mandatory_exclude_ciphers" 1551 #define DEF_SMTP_TLS_MAND_EXCL "" 1552 #define VAR_LMTP_TLS_MAND_EXCL "lmtp_tls_mandatory_exclude_ciphers" 1553 #define DEF_LMTP_TLS_MAND_EXCL "" 1554 extern char *var_smtp_tls_mand_excl; 1555 1556 #define VAR_SMTP_TLS_FPT_DGST "smtp_tls_fingerprint_digest" 1557 #define DEF_SMTP_TLS_FPT_DGST "${{$compatibility_level} <level {3.6} ? " \ 1558 "{md5} : {sha256}}" 1559 #define VAR_LMTP_TLS_FPT_DGST "lmtp_tls_fingerprint_digest" 1560 #define DEF_LMTP_TLS_FPT_DGST "${{$compatibility_level} <level {3.6} ? " \ 1561 "{md5} : {sha256}}" 1562 extern char *var_smtp_tls_fpt_dgst; 1563 1564 #define VAR_SMTP_TLS_ENABLE_RPK "smtp_tls_enable_rpk" 1565 #define DEF_SMTP_TLS_ENABLE_RPK 0 1566 #define VAR_LMTP_TLS_ENABLE_RPK "lmtp_tls_enable_rpk" 1567 #define DEF_LMTP_TLS_ENABLE_RPK 0 1568 extern bool var_smtp_tls_enable_rpk; 1569 1570 #define VAR_SMTP_TLS_TAFILE "smtp_tls_trust_anchor_file" 1571 #define DEF_SMTP_TLS_TAFILE "" 1572 #define VAR_LMTP_TLS_TAFILE "lmtp_tls_trust_anchor_file" 1573 #define DEF_LMTP_TLS_TAFILE "" 1574 extern char *var_smtp_tls_tafile; 1575 1576 #define VAR_SMTP_TLS_LOGLEVEL "smtp_tls_loglevel" 1577 #define DEF_SMTP_TLS_LOGLEVEL "0" 1578 #define VAR_LMTP_TLS_LOGLEVEL "lmtp_tls_loglevel" 1579 #define DEF_LMTP_TLS_LOGLEVEL "0" 1580 extern char *var_smtp_tls_loglevel; /* In smtp(8) and tlsmgr(8) */ 1581 extern char *var_lmtp_tls_loglevel; /* In tlsmgr(8) */ 1582 1583 #define VAR_SMTP_TLS_NOTEOFFER "smtp_tls_note_starttls_offer" 1584 #define DEF_SMTP_TLS_NOTEOFFER 0 1585 #define VAR_LMTP_TLS_NOTEOFFER "lmtp_tls_note_starttls_offer" 1586 #define DEF_LMTP_TLS_NOTEOFFER 0 1587 extern bool var_smtp_tls_note_starttls_offer; 1588 1589 #define VAR_SMTP_TLS_SCACHE_DB "smtp_tls_session_cache_database" 1590 #define DEF_SMTP_TLS_SCACHE_DB "" 1591 #define VAR_LMTP_TLS_SCACHE_DB "lmtp_tls_session_cache_database" 1592 #define DEF_LMTP_TLS_SCACHE_DB "" 1593 extern char *var_smtp_tls_scache_db; 1594 extern char *var_lmtp_tls_scache_db; 1595 1596 #define MAX_SMTP_TLS_SCACHETIME 8640000 1597 #define VAR_SMTP_TLS_SCACHTIME "smtp_tls_session_cache_timeout" 1598 #define DEF_SMTP_TLS_SCACHTIME "3600s" 1599 #define MAX_LMTP_TLS_SCACHETIME 8640000 1600 #define VAR_LMTP_TLS_SCACHTIME "lmtp_tls_session_cache_timeout" 1601 #define DEF_LMTP_TLS_SCACHTIME "3600s" 1602 extern int var_smtp_tls_scache_timeout; 1603 extern int var_lmtp_tls_scache_timeout; 1604 1605 #define VAR_SMTP_TLS_POLICY "smtp_tls_policy_maps" 1606 #define DEF_SMTP_TLS_POLICY "" 1607 #define VAR_LMTP_TLS_POLICY "lmtp_tls_policy_maps" 1608 #define DEF_LMTP_TLS_POLICY "" 1609 extern char *var_smtp_tls_policy; 1610 1611 #define VAR_SMTP_TLS_PROTO "smtp_tls_protocols" 1612 #define DEF_SMTP_TLS_PROTO ">=TLSv1" 1613 #define VAR_LMTP_TLS_PROTO "lmtp_tls_protocols" 1614 #define DEF_LMTP_TLS_PROTO ">=TLSv1" 1615 extern char *var_smtp_tls_proto; 1616 1617 #define VAR_SMTP_TLS_MAND_PROTO "smtp_tls_mandatory_protocols" 1618 #define DEF_SMTP_TLS_MAND_PROTO ">=TLSv1" 1619 #define VAR_LMTP_TLS_MAND_PROTO "lmtp_tls_mandatory_protocols" 1620 #define DEF_LMTP_TLS_MAND_PROTO ">=TLSv1" 1621 extern char *var_smtp_tls_mand_proto; 1622 1623 #define VAR_SMTP_TLS_VFY_CMATCH "smtp_tls_verify_cert_match" 1624 #define DEF_SMTP_TLS_VFY_CMATCH "hostname" 1625 #define VAR_LMTP_TLS_VFY_CMATCH "lmtp_tls_verify_cert_match" 1626 #define DEF_LMTP_TLS_VFY_CMATCH "hostname" 1627 extern char *var_smtp_tls_vfy_cmatch; 1628 1629 /* 1630 * There are no MX lookups for LMTP, so verify == secure 1631 */ 1632 #define VAR_SMTP_TLS_SEC_CMATCH "smtp_tls_secure_cert_match" 1633 #define DEF_SMTP_TLS_SEC_CMATCH "nexthop, dot-nexthop" 1634 #define VAR_LMTP_TLS_SEC_CMATCH "lmtp_tls_secure_cert_match" 1635 #define DEF_LMTP_TLS_SEC_CMATCH "nexthop" 1636 extern char *var_smtp_tls_sec_cmatch; 1637 1638 1639 #define VAR_SMTP_TLS_FPT_CMATCH "smtp_tls_fingerprint_cert_match" 1640 #define DEF_SMTP_TLS_FPT_CMATCH "" 1641 #define VAR_LMTP_TLS_FPT_CMATCH "lmtp_tls_fingerprint_cert_match" 1642 #define DEF_LMTP_TLS_FPT_CMATCH "" 1643 extern char *var_smtp_tls_fpt_cmatch; 1644 1645 #define VAR_SMTP_TLS_SNI "smtp_tls_servername" 1646 #define DEF_SMTP_TLS_SNI "" 1647 #define VAR_LMTP_TLS_SNI "lmtp_tls_servername" 1648 #define DEF_LMTP_TLS_SNI "" 1649 extern char *var_smtp_tls_sni; 1650 1651 #define VAR_SMTP_TLS_BLK_EARLY_MAIL_REPLY "smtp_tls_block_early_mail_reply" 1652 #define DEF_SMTP_TLS_BLK_EARLY_MAIL_REPLY 0 1653 #define VAR_LMTP_TLS_BLK_EARLY_MAIL_REPLY "lmtp_tls_block_early_mail_reply" 1654 #define DEF_LMTP_TLS_BLK_EARLY_MAIL_REPLY 0 1655 extern bool var_smtp_tls_blk_early_mail_reply; 1656 1657 #define VAR_SMTP_TLS_FORCE_TLSA "smtp_tls_force_insecure_host_tlsa_lookup" 1658 #define DEF_SMTP_TLS_FORCE_TLSA 0 1659 #define VAR_LMTP_TLS_FORCE_TLSA "lmtp_tls_force_insecure_host_tlsa_lookup" 1660 #define DEF_LMTP_TLS_FORCE_TLSA 0 1661 extern bool var_smtp_tls_force_tlsa; 1662 1663 /* SMTP only */ 1664 #define VAR_SMTP_TLS_INSECURE_MX_POLICY "smtp_tls_dane_insecure_mx_policy" 1665 #define DEF_SMTP_TLS_INSECURE_MX_POLICY "dane" 1666 extern char *var_smtp_tls_insecure_mx_policy; 1667 1668 /* 1669 * SASL authentication support, SMTP server side. 1670 */ 1671 #define VAR_SMTPD_SASL_ENABLE "smtpd_sasl_auth_enable" 1672 #define DEF_SMTPD_SASL_ENABLE 0 1673 extern bool var_smtpd_sasl_enable; 1674 1675 #define VAR_SMTPD_SASL_AUTH_HDR "smtpd_sasl_authenticated_header" 1676 #define DEF_SMTPD_SASL_AUTH_HDR 0 1677 extern bool var_smtpd_sasl_auth_hdr; 1678 1679 #define VAR_SMTPD_SASL_OPTS "smtpd_sasl_security_options" 1680 #define DEF_SMTPD_SASL_OPTS "noanonymous" 1681 extern char *var_smtpd_sasl_opts; 1682 1683 #define VAR_SMTPD_SASL_PATH "smtpd_sasl_path" 1684 #define DEF_SMTPD_SASL_PATH "smtpd" 1685 extern char *var_smtpd_sasl_path; 1686 1687 #define VAR_SMTPD_SASL_SERVICE "smtpd_sasl_service" 1688 #define DEF_SMTPD_SASL_SERVICE "smtp" 1689 extern char *var_smtpd_sasl_service; 1690 1691 #define VAR_CYRUS_CONF_PATH "cyrus_sasl_config_path" 1692 #define DEF_CYRUS_CONF_PATH "" 1693 extern char *var_cyrus_conf_path; 1694 1695 #define VAR_SMTPD_SASL_TLS_OPTS "smtpd_sasl_tls_security_options" 1696 #define DEF_SMTPD_SASL_TLS_OPTS "$" VAR_SMTPD_SASL_OPTS 1697 extern char *var_smtpd_sasl_tls_opts; 1698 1699 #define VAR_SMTPD_SASL_REALM "smtpd_sasl_local_domain" 1700 #define DEF_SMTPD_SASL_REALM "" 1701 extern char *var_smtpd_sasl_realm; 1702 1703 #define VAR_SMTPD_SASL_EXCEPTIONS_NETWORKS "smtpd_sasl_exceptions_networks" 1704 #define DEF_SMTPD_SASL_EXCEPTIONS_NETWORKS "" 1705 extern char *var_smtpd_sasl_exceptions_networks; 1706 1707 #ifndef DEF_SERVER_SASL_TYPE 1708 #define DEF_SERVER_SASL_TYPE "cyrus" 1709 #endif 1710 1711 #define VAR_SMTPD_SASL_TYPE "smtpd_sasl_type" 1712 #define DEF_SMTPD_SASL_TYPE DEF_SERVER_SASL_TYPE 1713 extern char *var_smtpd_sasl_type; 1714 1715 #define VAR_SMTPD_SND_AUTH_MAPS "smtpd_sender_login_maps" 1716 #define DEF_SMTPD_SND_AUTH_MAPS "" 1717 extern char *var_smtpd_snd_auth_maps; 1718 1719 #define REJECT_SENDER_LOGIN_MISMATCH "reject_sender_login_mismatch" 1720 #define REJECT_AUTH_SENDER_LOGIN_MISMATCH \ 1721 "reject_authenticated_sender_login_mismatch" 1722 #define REJECT_KNOWN_SENDER_LOGIN_MISMATCH \ 1723 "reject_known_sender_login_mismatch" 1724 #define REJECT_UNAUTH_SENDER_LOGIN_MISMATCH \ 1725 "reject_unauthenticated_sender_login_mismatch" 1726 1727 /* 1728 * https://tools.ietf.org/html/rfc4954#page-5 1729 * 1730 * (At the time of writing of this document, 12288 octets is considered to be a 1731 * sufficient line length limit for handling of deployed authentication 1732 * mechanisms.) 1733 * 1734 * The default value is also the minimum permissible value for this parameter. 1735 */ 1736 #define VAR_SMTPD_SASL_RESP_LIMIT "smtpd_sasl_response_limit" 1737 #define DEF_SMTPD_SASL_RESP_LIMIT 12288 1738 extern int var_smtpd_sasl_resp_limit; 1739 1740 /* 1741 * Some backends claim to support EXTERNAL authentication, but Postfix does 1742 * not have code to provide the backend with such credentials. To avoid 1743 * confusing errors, do not announce the EXTERNAL mechanism. 1744 */ 1745 #define VAR_SMTPD_SASL_MECH_FILTER "smtpd_sasl_mechanism_filter" 1746 #define DEF_SMTPD_SASL_MECH_FILTER "!external, static:rest" 1747 extern char *var_smtpd_sasl_mech_filter; 1748 1749 /* 1750 * SASL authentication support, SMTP client side. 1751 */ 1752 #define VAR_SMTP_SASL_ENABLE "smtp_sasl_auth_enable" 1753 #define DEF_SMTP_SASL_ENABLE 0 1754 extern bool var_smtp_sasl_enable; 1755 1756 #define VAR_SMTP_SASL_PASSWD "smtp_sasl_password_maps" 1757 #define DEF_SMTP_SASL_PASSWD "" 1758 extern char *var_smtp_sasl_passwd; 1759 1760 #define VAR_SMTP_SASL_PASSWD_RES_DELIM "smtp_sasl_password_result_delimiter" 1761 #define DEF_SMTP_SASL_PASSWD_RES_DELIM ":" 1762 #define VAR_LMTP_SASL_PASSWD_RES_DELIM "lmtp_sasl_password_result_delimiter" 1763 #define DEF_LMTP_SASL_PASSWD_RES_DELIM DEF_SMTP_SASL_PASSWD_RES_DELIM 1764 extern char *var_smtp_sasl_passwd_res_delim; 1765 1766 #define VAR_SMTP_SASL_OPTS "smtp_sasl_security_options" 1767 #define DEF_SMTP_SASL_OPTS "noplaintext, noanonymous" 1768 extern char *var_smtp_sasl_opts; 1769 1770 #define VAR_SMTP_SASL_PATH "smtp_sasl_path" 1771 #define DEF_SMTP_SASL_PATH "" 1772 extern char *var_smtp_sasl_path; 1773 1774 #define VAR_SMTP_SASL_MECHS "smtp_sasl_mechanism_filter" 1775 #define DEF_SMTP_SASL_MECHS "" 1776 #define VAR_LMTP_SASL_MECHS "lmtp_sasl_mechanism_filter" 1777 #define DEF_LMTP_SASL_MECHS "" 1778 extern char *var_smtp_sasl_mechs; 1779 1780 #ifndef DEF_CLIENT_SASL_TYPE 1781 #define DEF_CLIENT_SASL_TYPE "cyrus" 1782 #endif 1783 1784 #define VAR_SMTP_SASL_TYPE "smtp_sasl_type" 1785 #define DEF_SMTP_SASL_TYPE DEF_CLIENT_SASL_TYPE 1786 #define VAR_LMTP_SASL_TYPE "lmtp_sasl_type" 1787 #define DEF_LMTP_SASL_TYPE DEF_CLIENT_SASL_TYPE 1788 extern char *var_smtp_sasl_type; 1789 1790 #define VAR_SMTP_SASL_TLS_OPTS "smtp_sasl_tls_security_options" 1791 #define DEF_SMTP_SASL_TLS_OPTS "$" VAR_SMTP_SASL_OPTS 1792 #define VAR_LMTP_SASL_TLS_OPTS "lmtp_sasl_tls_security_options" 1793 #define DEF_LMTP_SASL_TLS_OPTS "$" VAR_LMTP_SASL_OPTS 1794 extern char *var_smtp_sasl_tls_opts; 1795 1796 #define VAR_SMTP_SASL_TLSV_OPTS "smtp_sasl_tls_verified_security_options" 1797 #define DEF_SMTP_SASL_TLSV_OPTS "$" VAR_SMTP_SASL_TLS_OPTS 1798 #define VAR_LMTP_SASL_TLSV_OPTS "lmtp_sasl_tls_verified_security_options" 1799 #define DEF_LMTP_SASL_TLSV_OPTS "$" VAR_LMTP_SASL_TLS_OPTS 1800 extern char *var_smtp_sasl_tlsv_opts; 1801 1802 #define VAR_SMTP_DUMMY_MAIL_AUTH "smtp_send_dummy_mail_auth" 1803 #define DEF_SMTP_DUMMY_MAIL_AUTH 0 1804 extern bool var_smtp_dummy_mail_auth; 1805 1806 #define VAR_LMTP_BALANCE_INET_PROTO "lmtp_balance_inet_protocols" 1807 #define DEF_LMTP_BALANCE_INET_PROTO DEF_SMTP_BALANCE_INET_PROTO 1808 #define VAR_SMTP_BALANCE_INET_PROTO "smtp_balance_inet_protocols" 1809 #define DEF_SMTP_BALANCE_INET_PROTO 1 1810 extern bool var_smtp_balance_inet_proto; 1811 1812 /* 1813 * LMTP server. The soft error limit determines how many errors an LMTP 1814 * client may make before we start to slow down; the hard error limit 1815 * determines after how many client errors we disconnect. 1816 */ 1817 #define VAR_LMTPD_BANNER "lmtpd_banner" 1818 #define DEF_LMTPD_BANNER "$myhostname $mail_name" 1819 extern char *var_lmtpd_banner; 1820 1821 #define VAR_LMTPD_TMOUT "lmtpd_timeout" 1822 #define DEF_LMTPD_TMOUT "300s" 1823 extern int var_lmtpd_tmout; 1824 1825 #define VAR_LMTPD_RCPT_LIMIT "lmtpd_recipient_limit" 1826 #define DEF_LMTPD_RCPT_LIMIT 1000 1827 extern int var_lmtpd_rcpt_limit; 1828 1829 #define VAR_LMTPD_SOFT_ERLIM "lmtpd_soft_error_limit" 1830 #define DEF_LMTPD_SOFT_ERLIM 10 1831 extern int var_lmtpd_soft_erlim; 1832 1833 #define VAR_LMTPD_HARD_ERLIM "lmtpd_hard_error_limit" 1834 #define DEF_LMTPD_HARD_ERLIM 100 1835 extern int var_lmtpd_hard_erlim; 1836 1837 #define VAR_LMTPD_ERR_SLEEP "lmtpd_error_sleep_time" 1838 #define DEF_LMTPD_ERR_SLEEP "5s" 1839 extern int var_lmtpd_err_sleep; 1840 1841 #define VAR_LMTPD_JUNK_CMD "lmtpd_junk_command_limit" 1842 #define DEF_LMTPD_JUNK_CMD 1000 1843 extern int var_lmtpd_junk_cmd_limit; 1844 1845 /* 1846 * SASL authentication support, LMTP server side. 1847 */ 1848 #define VAR_LMTPD_SASL_ENABLE "lmtpd_sasl_auth_enable" 1849 #define DEF_LMTPD_SASL_ENABLE 0 1850 extern bool var_lmtpd_sasl_enable; 1851 1852 #define VAR_LMTPD_SASL_OPTS "lmtpd_sasl_security_options" 1853 #define DEF_LMTPD_SASL_OPTS "noanonymous" 1854 extern char *var_lmtpd_sasl_opts; 1855 1856 #define VAR_LMTPD_SASL_REALM "lmtpd_sasl_local_domain" 1857 #define DEF_LMTPD_SASL_REALM "$myhostname" 1858 extern char *var_lmtpd_sasl_realm; 1859 1860 /* 1861 * SASL authentication support, LMTP client side. 1862 */ 1863 #define VAR_LMTP_SASL_ENABLE "lmtp_sasl_auth_enable" 1864 #define DEF_LMTP_SASL_ENABLE 0 1865 extern bool var_lmtp_sasl_enable; 1866 1867 #define VAR_LMTP_SASL_PASSWD "lmtp_sasl_password_maps" 1868 #define DEF_LMTP_SASL_PASSWD "" 1869 extern char *var_lmtp_sasl_passwd; 1870 1871 #define VAR_LMTP_SASL_OPTS "lmtp_sasl_security_options" 1872 #define DEF_LMTP_SASL_OPTS "noplaintext, noanonymous" 1873 extern char *var_lmtp_sasl_opts; 1874 1875 #define VAR_LMTP_SASL_PATH "lmtp_sasl_path" 1876 #define DEF_LMTP_SASL_PATH "" 1877 extern char *var_lmtp_sasl_path; 1878 1879 #define VAR_LMTP_DUMMY_MAIL_AUTH "lmtp_send_dummy_mail_auth" 1880 #define DEF_LMTP_DUMMY_MAIL_AUTH 0 1881 extern bool var_lmtp_dummy_mail_auth; 1882 1883 /* 1884 * SASL-based relay etc. control. 1885 */ 1886 #define PERMIT_SASL_AUTH "permit_sasl_authenticated" 1887 1888 #define VAR_CYRUS_SASL_AUTHZID "send_cyrus_sasl_authzid" 1889 #define DEF_CYRUS_SASL_AUTHZID 0 1890 extern int var_cyrus_sasl_authzid; 1891 1892 /* 1893 * Special handling of AUTH 535 failures. 1894 */ 1895 #define VAR_SMTP_SASL_AUTH_SOFT_BOUNCE "smtp_sasl_auth_soft_bounce" 1896 #define DEF_SMTP_SASL_AUTH_SOFT_BOUNCE 1 1897 #define VAR_LMTP_SASL_AUTH_SOFT_BOUNCE "lmtp_sasl_auth_soft_bounce" 1898 #define DEF_LMTP_SASL_AUTH_SOFT_BOUNCE 1 1899 extern bool var_smtp_sasl_auth_soft_bounce; 1900 1901 #define VAR_SMTP_SASL_AUTH_CACHE_NAME "smtp_sasl_auth_cache_name" 1902 #define DEF_SMTP_SASL_AUTH_CACHE_NAME "" 1903 #define VAR_LMTP_SASL_AUTH_CACHE_NAME "lmtp_sasl_auth_cache_name" 1904 #define DEF_LMTP_SASL_AUTH_CACHE_NAME "" 1905 extern char *var_smtp_sasl_auth_cache_name; 1906 1907 #define VAR_SMTP_SASL_AUTH_CACHE_TIME "smtp_sasl_auth_cache_time" 1908 #define DEF_SMTP_SASL_AUTH_CACHE_TIME "90d" 1909 #define VAR_LMTP_SASL_AUTH_CACHE_TIME "lmtp_sasl_auth_cache_time" 1910 #define DEF_LMTP_SASL_AUTH_CACHE_TIME "90d" 1911 extern int var_smtp_sasl_auth_cache_time; 1912 1913 #define VAR_SMTP_TCP_PORT "smtp_tcp_port" 1914 #define DEF_SMTP_TCP_PORT "smtp" 1915 extern char *var_smtp_tcp_port; 1916 1917 /* 1918 * LMTP client. Timeouts inspired by RFC 1123. The LMTP recipient limit 1919 * determines how many recipient addresses the LMTP client sends along with 1920 * each message. Unfortunately, some mailers misbehave and disconnect (smap) 1921 * when given more recipients than they are willing to handle. 1922 */ 1923 #define VAR_LMTP_TCP_PORT "lmtp_tcp_port" 1924 #define DEF_LMTP_TCP_PORT "24" 1925 extern char *var_lmtp_tcp_port; 1926 1927 #define VAR_LMTP_ASSUME_FINAL "lmtp_assume_final" 1928 #define DEF_LMTP_ASSUME_FINAL 0 1929 extern bool var_lmtp_assume_final; 1930 1931 #define VAR_LMTP_CACHE_CONN "lmtp_cache_connection" 1932 #define DEF_LMTP_CACHE_CONN 1 1933 extern bool var_lmtp_cache_conn; 1934 1935 #define VAR_LMTP_SKIP_QUIT_RESP "lmtp_skip_quit_response" 1936 #define DEF_LMTP_SKIP_QUIT_RESP 0 1937 extern bool var_lmtp_skip_quit_resp; 1938 1939 #define VAR_LMTP_CONN_TMOUT "lmtp_connect_timeout" 1940 #define DEF_LMTP_CONN_TMOUT "0s" 1941 extern int var_lmtp_conn_tmout; 1942 1943 #define VAR_LMTP_RSET_TMOUT "lmtp_rset_timeout" 1944 #define DEF_LMTP_RSET_TMOUT "20s" 1945 extern int var_lmtp_rset_tmout; 1946 1947 #define VAR_LMTP_LHLO_TMOUT "lmtp_lhlo_timeout" 1948 #define DEF_LMTP_LHLO_TMOUT "300s" 1949 extern int var_lmtp_lhlo_tmout; 1950 1951 #define VAR_LMTP_XFWD_TMOUT "lmtp_xforward_timeout" 1952 #define DEF_LMTP_XFWD_TMOUT "300s" 1953 extern int var_lmtp_xfwd_tmout; 1954 1955 #define VAR_LMTP_MAIL_TMOUT "lmtp_mail_timeout" 1956 #define DEF_LMTP_MAIL_TMOUT "300s" 1957 extern int var_lmtp_mail_tmout; 1958 1959 #define VAR_LMTP_RCPT_TMOUT "lmtp_rcpt_timeout" 1960 #define DEF_LMTP_RCPT_TMOUT "300s" 1961 extern int var_lmtp_rcpt_tmout; 1962 1963 #define VAR_LMTP_DATA0_TMOUT "lmtp_data_init_timeout" 1964 #define DEF_LMTP_DATA0_TMOUT "120s" 1965 extern int var_lmtp_data0_tmout; 1966 1967 #define VAR_LMTP_DATA1_TMOUT "lmtp_data_xfer_timeout" 1968 #define DEF_LMTP_DATA1_TMOUT "180s" 1969 extern int var_lmtp_data1_tmout; 1970 1971 #define VAR_LMTP_DATA2_TMOUT "lmtp_data_done_timeout" 1972 #define DEF_LMTP_DATA2_TMOUT "600s" 1973 extern int var_lmtp_data2_tmout; 1974 1975 #define VAR_LMTP_QUIT_TMOUT "lmtp_quit_timeout" 1976 #define DEF_LMTP_QUIT_TMOUT "300s" 1977 extern int var_lmtp_quit_tmout; 1978 1979 #define VAR_LMTP_SEND_XFORWARD "lmtp_send_xforward_command" 1980 #define DEF_LMTP_SEND_XFORWARD 0 1981 extern bool var_lmtp_send_xforward; 1982 1983 /* 1984 * Cleanup service. Header info that exceeds $header_size_limit bytes or 1985 * $header_address_token_limit tokens is discarded. 1986 */ 1987 #define VAR_HOPCOUNT_LIMIT "hopcount_limit" 1988 #define DEF_HOPCOUNT_LIMIT 50 1989 extern int var_hopcount_limit; 1990 1991 #define VAR_HEADER_LIMIT "header_size_limit" 1992 #define DEF_HEADER_LIMIT 102400 1993 extern int var_header_limit; 1994 1995 #define VAR_TOKEN_LIMIT "header_address_token_limit" 1996 #define DEF_TOKEN_LIMIT 10240 1997 extern int var_token_limit; 1998 1999 #define VAR_VIRT_RECUR_LIMIT "virtual_alias_recursion_limit" 2000 #define DEF_VIRT_RECUR_LIMIT 1000 2001 extern int var_virt_recur_limit; 2002 2003 #define VAR_VIRT_EXPAN_LIMIT "virtual_alias_expansion_limit" 2004 #define DEF_VIRT_EXPAN_LIMIT 1000 2005 extern int var_virt_expan_limit; 2006 2007 #define VAR_VIRT_ADDRLEN_LIMIT "virtual_alias_address_length_limit" 2008 #define DEF_VIRT_ADDRLEN_LIMIT 1000 2009 extern int var_virt_addrlen_limit; 2010 2011 /* 2012 * Message/queue size limits. 2013 */ 2014 #define VAR_MESSAGE_LIMIT "message_size_limit" 2015 #define DEF_MESSAGE_LIMIT 10240000 2016 extern long var_message_limit; 2017 2018 #define VAR_QUEUE_MINFREE "queue_minfree" 2019 #define DEF_QUEUE_MINFREE 0 2020 extern long var_queue_minfree; 2021 2022 /* 2023 * Light-weight content inspection. 2024 */ 2025 #define VAR_HEADER_CHECKS "header_checks" 2026 #define DEF_HEADER_CHECKS "" 2027 extern char *var_header_checks; 2028 2029 #define VAR_MIMEHDR_CHECKS "mime_header_checks" 2030 #define DEF_MIMEHDR_CHECKS "$header_checks" 2031 extern char *var_mimehdr_checks; 2032 2033 #define VAR_NESTHDR_CHECKS "nested_header_checks" 2034 #define DEF_NESTHDR_CHECKS "$header_checks" 2035 extern char *var_nesthdr_checks; 2036 2037 #define VAR_BODY_CHECKS "body_checks" 2038 #define DEF_BODY_CHECKS "" 2039 extern char *var_body_checks; 2040 2041 #define VAR_BODY_CHECK_LEN "body_checks_size_limit" 2042 #define DEF_BODY_CHECK_LEN (50*1024) 2043 extern int var_body_check_len; 2044 2045 /* 2046 * Bounce service: truncate bounce message that exceed $bounce_size_limit. 2047 */ 2048 #define VAR_BOUNCE_LIMIT "bounce_size_limit" 2049 #define DEF_BOUNCE_LIMIT 50000 2050 extern int var_bounce_limit; 2051 2052 /* 2053 * Bounce service: reserved sender address for double bounces. The local 2054 * delivery service discards undeliverable double bounces. 2055 */ 2056 #define VAR_DOUBLE_BOUNCE "double_bounce_sender" 2057 #define DEF_DOUBLE_BOUNCE "double-bounce" 2058 extern char *var_double_bounce_sender; 2059 2060 /* 2061 * Bounce service: enable threaded bounces, with References: and 2062 * In-Reply-To:. 2063 */ 2064 #define VAR_THREADED_BOUNCE "enable_threaded_bounces" 2065 #define DEF_THREADED_BOUNCE CONFIG_BOOL_NO 2066 extern bool var_threaded_bounce; 2067 2068 /* 2069 * When forking a process, how often to try and how long to wait. 2070 */ 2071 #define VAR_FORK_TRIES "fork_attempts" 2072 #define DEF_FORK_TRIES 5 2073 extern int var_fork_tries; 2074 2075 #define VAR_FORK_DELAY "fork_delay" 2076 #define DEF_FORK_DELAY "1s" 2077 extern int var_fork_delay; 2078 2079 /* 2080 * When locking a mailbox, how often to try and how long to wait. 2081 */ 2082 #define VAR_FLOCK_TRIES "deliver_lock_attempts" 2083 #define DEF_FLOCK_TRIES 20 2084 extern int var_flock_tries; 2085 2086 #define VAR_FLOCK_DELAY "deliver_lock_delay" 2087 #define DEF_FLOCK_DELAY "1s" 2088 extern int var_flock_delay; 2089 2090 #define VAR_FLOCK_STALE "stale_lock_time" 2091 #define DEF_FLOCK_STALE "500s" 2092 extern int var_flock_stale; 2093 2094 #define VAR_MAILTOOL_COMPAT "sun_mailtool_compatibility" 2095 #define DEF_MAILTOOL_COMPAT 0 2096 extern int var_mailtool_compat; 2097 2098 /* 2099 * How long a daemon command may take to receive or deliver a message etc. 2100 * before we assume it is wedged (should never happen). 2101 */ 2102 #define VAR_DAEMON_TIMEOUT "daemon_timeout" 2103 #define DEF_DAEMON_TIMEOUT "18000s" 2104 extern int var_daemon_timeout; 2105 2106 #define VAR_QMGR_DAEMON_TIMEOUT "qmgr_daemon_timeout" 2107 #define DEF_QMGR_DAEMON_TIMEOUT "1000s" 2108 extern int var_qmgr_daemon_timeout; 2109 2110 /* 2111 * How long an intra-mail command may take before we assume the mail system 2112 * is in deadlock (should never happen). 2113 */ 2114 #define VAR_IPC_TIMEOUT "ipc_timeout" 2115 #define DEF_IPC_TIMEOUT "3600s" 2116 extern int var_ipc_timeout; 2117 2118 #define VAR_QMGR_IPC_TIMEOUT "qmgr_ipc_timeout" 2119 #define DEF_QMGR_IPC_TIMEOUT "60s" 2120 extern int var_qmgr_ipc_timeout; 2121 2122 /* 2123 * Time limit on intra-mail triggers. 2124 */ 2125 #define VAR_TRIGGER_TIMEOUT "trigger_timeout" 2126 #define DEF_TRIGGER_TIMEOUT "10s" 2127 extern int var_trigger_timeout; 2128 2129 /* 2130 * SMTP server restrictions. What networks I am willing to relay from, what 2131 * domains I am willing to forward mail from or to, what clients I refuse to 2132 * talk to, and what domains I never want to see in the sender address. 2133 */ 2134 #define VAR_MYNETWORKS "mynetworks" 2135 extern char *var_mynetworks; 2136 2137 #define VAR_MYNETWORKS_STYLE "mynetworks_style" 2138 #define DEF_MYNETWORKS_STYLE "${{$compatibility_level} <level {2} ? " \ 2139 "{" MYNETWORKS_STYLE_SUBNET "} : " \ 2140 "{" MYNETWORKS_STYLE_HOST "}}" 2141 extern char *var_mynetworks_style; 2142 2143 #define MYNETWORKS_STYLE_CLASS "class" 2144 #define MYNETWORKS_STYLE_SUBNET "subnet" 2145 #define MYNETWORKS_STYLE_HOST "host" 2146 2147 #define VAR_RELAY_DOMAINS "relay_domains" 2148 #define DEF_RELAY_DOMAINS "${{$compatibility_level} <level {2} ? " \ 2149 "{$mydestination} : {}}" 2150 extern char *var_relay_domains; 2151 2152 #define VAR_RELAY_TRANSPORT "relay_transport" 2153 #define DEF_RELAY_TRANSPORT MAIL_SERVICE_RELAY 2154 extern char *var_relay_transport; 2155 2156 #define VAR_RELAY_RCPT_MAPS "relay_recipient_maps" 2157 #define DEF_RELAY_RCPT_MAPS "" 2158 extern char *var_relay_rcpt_maps; 2159 2160 #define VAR_RELAY_RCPT_CODE "unknown_relay_recipient_reject_code" 2161 #define DEF_RELAY_RCPT_CODE 550 2162 extern int var_relay_rcpt_code; 2163 2164 #define VAR_RELAY_CCERTS "relay_clientcerts" 2165 #define DEF_RELAY_CCERTS "" 2166 extern char *var_smtpd_relay_ccerts; 2167 2168 #define VAR_CLIENT_CHECKS "smtpd_client_restrictions" 2169 #define DEF_CLIENT_CHECKS "" 2170 extern char *var_client_checks; 2171 2172 #define VAR_HELO_REQUIRED "smtpd_helo_required" 2173 #define DEF_HELO_REQUIRED 0 2174 extern bool var_helo_required; 2175 2176 #define VAR_HELO_CHECKS "smtpd_helo_restrictions" 2177 #define DEF_HELO_CHECKS "" 2178 extern char *var_helo_checks; 2179 2180 #define VAR_MAIL_CHECKS "smtpd_sender_restrictions" 2181 #define DEF_MAIL_CHECKS "" 2182 extern char *var_mail_checks; 2183 2184 #define VAR_RELAY_CHECKS "smtpd_relay_restrictions" 2185 #define DEF_RELAY_CHECKS "${{$compatibility_level} <level {1} ? " \ 2186 "{} : {" PERMIT_MYNETWORKS ", " \ 2187 PERMIT_SASL_AUTH ", " \ 2188 DEFER_UNAUTH_DEST "}}" 2189 extern char *var_relay_checks; 2190 2191 /* 2192 * For warn_compat_break_relay_domains check. Same as DEF_RELAY_CHECKS 2193 * except that it evaluates to DUNNO instead of REJECT. 2194 */ 2195 #define FAKE_RELAY_CHECKS PERMIT_MYNETWORKS ", " \ 2196 PERMIT_SASL_AUTH ", " \ 2197 PERMIT_AUTH_DEST 2198 2199 #define VAR_RCPT_CHECKS "smtpd_recipient_restrictions" 2200 #define DEF_RCPT_CHECKS "" 2201 extern char *var_rcpt_checks; 2202 2203 #define VAR_RELAY_BEFORE_RCPT_CHECKS "smtpd_relay_before_recipient_restrictions" 2204 #define DEF_RELAY_BEFORE_RCPT_CHECKS "${{$compatibility_level} <level {3.6} ?" \ 2205 " {no} : {yes}}" 2206 extern bool var_relay_before_rcpt_checks; 2207 2208 #define VAR_ETRN_CHECKS "smtpd_etrn_restrictions" 2209 #define DEF_ETRN_CHECKS "" 2210 extern char *var_etrn_checks; 2211 2212 #define VAR_DATA_CHECKS "smtpd_data_restrictions" 2213 #define DEF_DATA_CHECKS "" 2214 extern char *var_data_checks; 2215 2216 #define VAR_EOD_CHECKS "smtpd_end_of_data_restrictions" 2217 #define DEF_EOD_CHECKS "" 2218 extern char *var_eod_checks; 2219 2220 #define VAR_REST_CLASSES "smtpd_restriction_classes" 2221 #define DEF_REST_CLASSES "" 2222 extern char *var_rest_classes; 2223 2224 #define VAR_ALLOW_UNTRUST_ROUTE "allow_untrusted_routing" 2225 #define DEF_ALLOW_UNTRUST_ROUTE 0 2226 extern bool var_allow_untrust_route; 2227 2228 /* 2229 * Names of specific restrictions, and the corresponding configuration 2230 * parameters that control the status codes sent in response to rejected 2231 * requests. 2232 */ 2233 #define PERMIT_ALL "permit" 2234 #define REJECT_ALL "reject" 2235 #define VAR_REJECT_CODE "reject_code" 2236 #define DEF_REJECT_CODE 554 2237 extern int var_reject_code; 2238 2239 #define DEFER_ALL "defer" 2240 #define VAR_DEFER_CODE "defer_code" 2241 #define DEF_DEFER_CODE 450 2242 extern int var_defer_code; 2243 2244 #define DEFER_IF_PERMIT "defer_if_permit" 2245 #define DEFER_IF_REJECT "defer_if_reject" 2246 2247 #define VAR_REJECT_TMPF_ACT "reject_tempfail_action" 2248 #define DEF_REJECT_TMPF_ACT DEFER_IF_PERMIT 2249 extern char *var_reject_tmpf_act; 2250 2251 #define SLEEP "sleep" 2252 2253 #define REJECT_PLAINTEXT_SESSION "reject_plaintext_session" 2254 #define VAR_PLAINTEXT_CODE "plaintext_reject_code" 2255 #define DEF_PLAINTEXT_CODE 450 2256 extern int var_plaintext_code; 2257 2258 #define REJECT_UNKNOWN_CLIENT "reject_unknown_client" 2259 #define REJECT_UNKNOWN_CLIENT_HOSTNAME "reject_unknown_client_hostname" 2260 #define REJECT_UNKNOWN_REVERSE_HOSTNAME "reject_unknown_reverse_client_hostname" 2261 #define REJECT_UNKNOWN_FORWARD_HOSTNAME "reject_unknown_forward_client_hostname" 2262 #define VAR_UNK_CLIENT_CODE "unknown_client_reject_code" 2263 #define DEF_UNK_CLIENT_CODE 450 2264 extern int var_unk_client_code; 2265 2266 #define PERMIT_INET_INTERFACES "permit_inet_interfaces" 2267 2268 #define PERMIT_MYNETWORKS "permit_mynetworks" 2269 2270 #define PERMIT_NAKED_IP_ADDR "permit_naked_ip_address" 2271 2272 #define REJECT_INVALID_HELO_HOSTNAME "reject_invalid_helo_hostname" 2273 #define REJECT_INVALID_HOSTNAME "reject_invalid_hostname" 2274 #define VAR_BAD_NAME_CODE "invalid_hostname_reject_code" 2275 #define DEF_BAD_NAME_CODE 501 /* SYNTAX */ 2276 extern int var_bad_name_code; 2277 2278 #define REJECT_UNKNOWN_HELO_HOSTNAME "reject_unknown_helo_hostname" 2279 #define REJECT_UNKNOWN_HOSTNAME "reject_unknown_hostname" 2280 #define VAR_UNK_NAME_CODE "unknown_hostname_reject_code" 2281 #define DEF_UNK_NAME_CODE 450 2282 extern int var_unk_name_code; 2283 2284 #define VAR_UNK_NAME_TF_ACT "unknown_helo_hostname_tempfail_action" 2285 #define DEF_UNK_NAME_TF_ACT "$" VAR_REJECT_TMPF_ACT 2286 extern char *var_unk_name_tf_act; 2287 2288 #define REJECT_NON_FQDN_HELO_HOSTNAME "reject_non_fqdn_helo_hostname" 2289 #define REJECT_NON_FQDN_HOSTNAME "reject_non_fqdn_hostname" 2290 #define REJECT_NON_FQDN_SENDER "reject_non_fqdn_sender" 2291 #define REJECT_NON_FQDN_RCPT "reject_non_fqdn_recipient" 2292 #define VAR_NON_FQDN_CODE "non_fqdn_reject_code" 2293 #define DEF_NON_FQDN_CODE 504 /* POLICY */ 2294 extern int var_non_fqdn_code; 2295 2296 #define REJECT_UNKNOWN_SENDDOM "reject_unknown_sender_domain" 2297 #define REJECT_UNKNOWN_RCPTDOM "reject_unknown_recipient_domain" 2298 #define REJECT_UNKNOWN_ADDRESS "reject_unknown_address" 2299 #define REJECT_UNLISTED_SENDER "reject_unlisted_sender" 2300 #define REJECT_UNLISTED_RCPT "reject_unlisted_recipient" 2301 #define CHECK_RCPT_MAPS "check_recipient_maps" 2302 2303 #define VAR_UNK_ADDR_CODE "unknown_address_reject_code" 2304 #define DEF_UNK_ADDR_CODE 450 2305 extern int var_unk_addr_code; 2306 2307 #define VAR_UNK_ADDR_TF_ACT "unknown_address_tempfail_action" 2308 #define DEF_UNK_ADDR_TF_ACT "$" VAR_REJECT_TMPF_ACT 2309 extern char *var_unk_addr_tf_act; 2310 2311 #define VAR_SMTPD_REJ_UNL_FROM "smtpd_reject_unlisted_sender" 2312 #define DEF_SMTPD_REJ_UNL_FROM 0 2313 extern bool var_smtpd_rej_unl_from; 2314 2315 #define VAR_SMTPD_REJ_UNL_RCPT "smtpd_reject_unlisted_recipient" 2316 #define DEF_SMTPD_REJ_UNL_RCPT 1 2317 extern bool var_smtpd_rej_unl_rcpt; 2318 2319 #define REJECT_UNVERIFIED_RECIP "reject_unverified_recipient" 2320 #define VAR_UNV_RCPT_RCODE "unverified_recipient_reject_code" 2321 #define DEF_UNV_RCPT_RCODE 450 2322 extern int var_unv_rcpt_rcode; 2323 2324 #define REJECT_UNVERIFIED_SENDER "reject_unverified_sender" 2325 #define VAR_UNV_FROM_RCODE "unverified_sender_reject_code" 2326 #define DEF_UNV_FROM_RCODE 450 2327 extern int var_unv_from_rcode; 2328 2329 #define VAR_UNV_RCPT_DCODE "unverified_recipient_defer_code" 2330 #define DEF_UNV_RCPT_DCODE 450 2331 extern int var_unv_rcpt_dcode; 2332 2333 #define VAR_UNV_FROM_DCODE "unverified_sender_defer_code" 2334 #define DEF_UNV_FROM_DCODE 450 2335 extern int var_unv_from_dcode; 2336 2337 #define VAR_UNV_RCPT_TF_ACT "unverified_recipient_tempfail_action" 2338 #define DEF_UNV_RCPT_TF_ACT "$" VAR_REJECT_TMPF_ACT 2339 extern char *var_unv_rcpt_tf_act; 2340 2341 #define VAR_UNV_FROM_TF_ACT "unverified_sender_tempfail_action" 2342 #define DEF_UNV_FROM_TF_ACT "$" VAR_REJECT_TMPF_ACT 2343 extern char *var_unv_from_tf_act; 2344 2345 #define VAR_UNV_RCPT_WHY "unverified_recipient_reject_reason" 2346 #define DEF_UNV_RCPT_WHY "" 2347 extern char *var_unv_rcpt_why; 2348 2349 #define VAR_UNV_FROM_WHY "unverified_sender_reject_reason" 2350 #define DEF_UNV_FROM_WHY "" 2351 extern char *var_unv_from_why; 2352 2353 #define REJECT_MUL_RCPT_BOUNCE "reject_multi_recipient_bounce" 2354 #define VAR_MUL_RCPT_CODE "multi_recipient_bounce_reject_code" 2355 #define DEF_MUL_RCPT_CODE 550 2356 extern int var_mul_rcpt_code; 2357 2358 #define PERMIT_AUTH_DEST "permit_auth_destination" 2359 #define REJECT_UNAUTH_DEST "reject_unauth_destination" 2360 #define DEFER_UNAUTH_DEST "defer_unauth_destination" 2361 #define CHECK_RELAY_DOMAINS "check_relay_domains" 2362 #define PERMIT_TLS_CLIENTCERTS "permit_tls_clientcerts" 2363 #define PERMIT_TLS_ALL_CLIENTCERTS "permit_tls_all_clientcerts" 2364 #define VAR_RELAY_CODE "relay_domains_reject_code" 2365 #define DEF_RELAY_CODE 554 2366 extern int var_relay_code; 2367 2368 #define PERMIT_MX_BACKUP "permit_mx_backup" 2369 2370 #define VAR_PERM_MX_NETWORKS "permit_mx_backup_networks" 2371 #define DEF_PERM_MX_NETWORKS "" 2372 extern char *var_perm_mx_networks; 2373 2374 #define VAR_MAP_REJECT_CODE "access_map_reject_code" 2375 #define DEF_MAP_REJECT_CODE 554 2376 extern int var_map_reject_code; 2377 2378 #define VAR_MAP_DEFER_CODE "access_map_defer_code" 2379 #define DEF_MAP_DEFER_CODE 450 2380 extern int var_map_defer_code; 2381 2382 #define CHECK_CLIENT_ACL "check_client_access" 2383 #define CHECK_REVERSE_CLIENT_ACL "check_reverse_client_hostname_access" 2384 #define CHECK_CCERT_ACL "check_ccert_access" 2385 #define CHECK_SASL_ACL "check_sasl_access" 2386 #define CHECK_HELO_ACL "check_helo_access" 2387 #define CHECK_SENDER_ACL "check_sender_access" 2388 #define CHECK_RECIP_ACL "check_recipient_access" 2389 #define CHECK_ETRN_ACL "check_etrn_access" 2390 2391 #define CHECK_CLIENT_MX_ACL "check_client_mx_access" 2392 #define CHECK_REVERSE_CLIENT_MX_ACL "check_reverse_client_hostname_mx_access" 2393 #define CHECK_HELO_MX_ACL "check_helo_mx_access" 2394 #define CHECK_SENDER_MX_ACL "check_sender_mx_access" 2395 #define CHECK_RECIP_MX_ACL "check_recipient_mx_access" 2396 #define CHECK_CLIENT_NS_ACL "check_client_ns_access" 2397 #define CHECK_REVERSE_CLIENT_NS_ACL "check_reverse_client_hostname_ns_access" 2398 #define CHECK_HELO_NS_ACL "check_helo_ns_access" 2399 #define CHECK_SENDER_NS_ACL "check_sender_ns_access" 2400 #define CHECK_RECIP_NS_ACL "check_recipient_ns_access" 2401 #define CHECK_CLIENT_A_ACL "check_client_a_access" 2402 #define CHECK_REVERSE_CLIENT_A_ACL "check_reverse_client_hostname_a_access" 2403 #define CHECK_HELO_A_ACL "check_helo_a_access" 2404 #define CHECK_SENDER_A_ACL "check_sender_a_access" 2405 #define CHECK_RECIP_A_ACL "check_recipient_a_access" 2406 2407 #define WARN_IF_REJECT "warn_if_reject" 2408 2409 #define REJECT_RBL "reject_rbl" /* LaMont compatibility */ 2410 #define REJECT_RBL_CLIENT "reject_rbl_client" 2411 #define REJECT_RHSBL_CLIENT "reject_rhsbl_client" 2412 #define REJECT_RHSBL_REVERSE_CLIENT "reject_rhsbl_reverse_client" 2413 #define REJECT_RHSBL_HELO "reject_rhsbl_helo" 2414 #define REJECT_RHSBL_SENDER "reject_rhsbl_sender" 2415 #define REJECT_RHSBL_RECIPIENT "reject_rhsbl_recipient" 2416 2417 #define PERMIT_DNSWL_CLIENT "permit_dnswl_client" 2418 #define PERMIT_RHSWL_CLIENT "permit_rhswl_client" 2419 2420 #define VAR_RBL_REPLY_MAPS "rbl_reply_maps" 2421 #define DEF_RBL_REPLY_MAPS "" 2422 extern char *var_rbl_reply_maps; 2423 2424 #define VAR_DEF_RBL_REPLY "default_rbl_reply" 2425 #define DEF_DEF_RBL_REPLY "$rbl_code Service unavailable; $rbl_class [$rbl_what] blocked using $rbl_domain${rbl_reason?; $rbl_reason}" 2426 extern char *var_def_rbl_reply; 2427 2428 #define REJECT_MAPS_RBL "reject_maps_rbl" /* backwards compat */ 2429 #define VAR_MAPS_RBL_CODE "maps_rbl_reject_code" 2430 #define DEF_MAPS_RBL_CODE 554 2431 extern int var_maps_rbl_code; 2432 2433 #define VAR_MAPS_RBL_DOMAINS "maps_rbl_domains" /* backwards compat */ 2434 #define DEF_MAPS_RBL_DOMAINS "" 2435 extern char *var_maps_rbl_domains; 2436 2437 #define VAR_SMTPD_DELAY_REJECT "smtpd_delay_reject" 2438 #define DEF_SMTPD_DELAY_REJECT 1 2439 extern int var_smtpd_delay_reject; 2440 2441 #define REJECT_UNAUTH_PIPE "reject_unauth_pipelining" 2442 2443 #define VAR_SMTPD_NULL_KEY "smtpd_null_access_lookup_key" 2444 #define DEF_SMTPD_NULL_KEY "<>" 2445 extern char *var_smtpd_null_key; 2446 2447 #define VAR_SMTPD_EXP_FILTER "smtpd_expansion_filter" 2448 #define DEF_SMTPD_EXP_FILTER "\\t\\40!\"#$%&'()*+,-./0123456789:;<=>?@\ 2449 ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\\\]^_`\ 2450 abcdefghijklmnopqrstuvwxyz{|}~" 2451 extern char *var_smtpd_exp_filter; 2452 2453 #define VAR_SMTPD_PEERNAME_LOOKUP "smtpd_peername_lookup" 2454 #define DEF_SMTPD_PEERNAME_LOOKUP 1 2455 extern bool var_smtpd_peername_lookup; 2456 2457 #define VAR_SMTPD_FORBID_UNAUTH_PIPE "smtpd_forbid_unauth_pipelining" 2458 #define DEF_SMTPD_FORBID_UNAUTH_PIPE 1 2459 extern bool var_smtpd_forbid_unauth_pipe; 2460 2461 /* 2462 * Heuristic to reject unknown local recipients at the SMTP port. 2463 */ 2464 #define VAR_LOCAL_RCPT_MAPS "local_recipient_maps" 2465 #define DEF_LOCAL_RCPT_MAPS "proxy:unix:passwd.byname $" VAR_ALIAS_MAPS 2466 extern char *var_local_rcpt_maps; 2467 2468 #define VAR_LOCAL_RCPT_CODE "unknown_local_recipient_reject_code" 2469 #define DEF_LOCAL_RCPT_CODE 550 2470 extern int var_local_rcpt_code; 2471 2472 /* 2473 * List of pre-approved maps that are OK to open with the proxymap service. 2474 */ 2475 #define VAR_PROXY_READ_MAPS "proxy_read_maps" 2476 #define DEF_PROXY_READ_MAPS "$" VAR_LOCAL_RCPT_MAPS \ 2477 " $" VAR_MYDEST \ 2478 " $" VAR_VIRT_ALIAS_MAPS \ 2479 " $" VAR_VIRT_ALIAS_DOMS \ 2480 " $" VAR_VIRT_MAILBOX_MAPS \ 2481 " $" VAR_VIRT_MAILBOX_DOMS \ 2482 " $" VAR_RELAY_RCPT_MAPS \ 2483 " $" VAR_RELAY_DOMAINS \ 2484 " $" VAR_CANONICAL_MAPS \ 2485 " $" VAR_SEND_CANON_MAPS \ 2486 " $" VAR_RCPT_CANON_MAPS \ 2487 " $" VAR_RELOCATED_MAPS \ 2488 " $" VAR_TRANSPORT_MAPS \ 2489 " $" VAR_MYNETWORKS \ 2490 " $" VAR_SMTPD_SND_AUTH_MAPS \ 2491 " $" VAR_SEND_BCC_MAPS \ 2492 " $" VAR_RCPT_BCC_MAPS \ 2493 " $" VAR_SMTP_GENERIC_MAPS \ 2494 " $" VAR_LMTP_GENERIC_MAPS \ 2495 " $" VAR_ALIAS_MAPS \ 2496 " $" VAR_CLIENT_CHECKS \ 2497 " $" VAR_HELO_CHECKS \ 2498 " $" VAR_MAIL_CHECKS \ 2499 " $" VAR_RELAY_CHECKS \ 2500 " $" VAR_RCPT_CHECKS \ 2501 " $" VAR_VRFY_SND_DEF_XPORT_MAPS \ 2502 " $" VAR_VRFY_RELAY_MAPS \ 2503 " $" VAR_VRFY_XPORT_MAPS \ 2504 " $" VAR_FBCK_TRANSP_MAPS \ 2505 " $" VAR_LMTP_EHLO_DIS_MAPS \ 2506 " $" VAR_LMTP_PIX_BUG_MAPS \ 2507 " $" VAR_LMTP_SASL_PASSWD \ 2508 " $" VAR_LMTP_TLS_POLICY \ 2509 " $" VAR_MAILBOX_CMD_MAPS \ 2510 " $" VAR_MBOX_TRANSP_MAPS \ 2511 " $" VAR_PSC_EHLO_DIS_MAPS \ 2512 " $" VAR_RBL_REPLY_MAPS \ 2513 " $" VAR_SND_DEF_XPORT_MAPS \ 2514 " $" VAR_SND_RELAY_MAPS \ 2515 " $" VAR_SMTP_EHLO_DIS_MAPS \ 2516 " $" VAR_SMTP_PIX_BUG_MAPS \ 2517 " $" VAR_SMTP_SASL_PASSWD \ 2518 " $" VAR_SMTP_TLS_POLICY \ 2519 " $" VAR_SMTPD_EHLO_DIS_MAPS \ 2520 " $" VAR_SMTPD_MILTER_MAPS \ 2521 " $" VAR_VIRT_GID_MAPS \ 2522 " $" VAR_VIRT_UID_MAPS \ 2523 " $" VAR_LOCAL_LOGIN_SND_MAPS \ 2524 " $" VAR_PSC_REJ_FTR_MAPS \ 2525 " $" VAR_SMTPD_REJ_FTR_MAPS \ 2526 " $" VAR_TLS_SERVER_SNI_MAPS \ 2527 " $" VAR_TLSP_CLNT_POLICY \ 2528 " $" VAR_DSN_FILTER \ 2529 " $" VAR_LMTP_DSN_FILTER \ 2530 " $" VAR_LMTP_DNS_RE_FILTER \ 2531 " $" VAR_LMTP_RESP_FILTER \ 2532 " $" VAR_LOCAL_DSN_FILTER \ 2533 " $" VAR_PIPE_DSN_FILTER \ 2534 " $" VAR_PSC_CMD_FILTER \ 2535 " $" VAR_SMTP_DSN_FILTER \ 2536 " $" VAR_SMTP_DNS_RE_FILTER \ 2537 " $" VAR_SMTP_RESP_FILTER \ 2538 " $" VAR_SMTPD_CMD_FILTER \ 2539 " $" VAR_SMTPD_DNS_RE_FILTER \ 2540 " $" VAR_VIRT_DSN_FILTER \ 2541 " $" VAR_BODY_CHECKS \ 2542 " $" VAR_HEADER_CHECKS \ 2543 " $" VAR_LMTP_BODY_CHKS \ 2544 " $" VAR_LMTP_HEAD_CHKS \ 2545 " $" VAR_LMTP_MIME_CHKS \ 2546 " $" VAR_LMTP_NEST_CHKS \ 2547 " $" VAR_MILT_HEAD_CHECKS \ 2548 " $" VAR_MIMEHDR_CHECKS \ 2549 " $" VAR_NESTHDR_CHECKS \ 2550 " $" VAR_SMTP_BODY_CHKS \ 2551 " $" VAR_SMTP_HEAD_CHKS \ 2552 " $" VAR_SMTP_MIME_CHKS \ 2553 " $" VAR_SMTP_NEST_CHKS 2554 extern char *var_proxy_read_maps; 2555 2556 #define VAR_PROXY_WRITE_MAPS "proxy_write_maps" 2557 #define DEF_PROXY_WRITE_MAPS "$" VAR_SMTP_SASL_AUTH_CACHE_NAME \ 2558 " $" VAR_LMTP_SASL_AUTH_CACHE_NAME \ 2559 " $" VAR_VERIFY_MAP \ 2560 " $" VAR_PSC_CACHE_MAP 2561 extern char *var_proxy_write_maps; 2562 2563 #define VAR_PROXY_READ_ACL "proxy_read_access_list" 2564 #define DEF_PROXY_READ_ACL "reject" 2565 extern char *var_proxy_read_acl; 2566 2567 #define VAR_PROXY_WRITE_ACL "proxy_write_access_list" 2568 #define DEF_PROXY_WRITE_ACL "reject" 2569 extern char *var_proxy_write_acl; 2570 2571 /* 2572 * Other. 2573 */ 2574 #define VAR_PROCNAME "process_name" 2575 extern char *var_procname; 2576 2577 #define VAR_SERVNAME "service_name" 2578 extern char *var_servname; 2579 2580 #define VAR_PID "process_id" 2581 extern int var_pid; 2582 2583 #define VAR_DEBUG_COMMAND "debugger_command" 2584 2585 /* 2586 * Paranoia: save files instead of deleting them. 2587 */ 2588 #define VAR_DONT_REMOVE "dont_remove" 2589 #define DEF_DONT_REMOVE 0 2590 extern bool var_dont_remove; 2591 2592 /* 2593 * Paranoia: defer messages instead of bouncing them. 2594 */ 2595 #define VAR_SOFT_BOUNCE "soft_bounce" 2596 #define DEF_SOFT_BOUNCE 0 2597 extern bool var_soft_bounce; 2598 2599 /* 2600 * Give special treatment to owner- and -request. 2601 */ 2602 #define VAR_OWNREQ_SPECIAL "owner_request_special" 2603 #define DEF_OWNREQ_SPECIAL 1 2604 extern bool var_ownreq_special; 2605 2606 /* 2607 * Allow/disallow recipient addresses starting with `-'. 2608 */ 2609 #define VAR_ALLOW_MIN_USER "allow_min_user" 2610 #define DEF_ALLOW_MIN_USER 0 2611 extern bool var_allow_min_user; 2612 2613 extern void mail_params_init(void); 2614 2615 /* 2616 * Content inspection and filtering. 2617 */ 2618 #define VAR_FILTER_XPORT "content_filter" 2619 #define DEF_FILTER_XPORT "" 2620 extern char *var_filter_xport; 2621 2622 #define VAR_DEF_FILTER_NEXTHOP "default_filter_nexthop" 2623 #define DEF_DEF_FILTER_NEXTHOP "" 2624 extern char *var_def_filter_nexthop; 2625 2626 /* 2627 * Fast flush service support. 2628 */ 2629 #define VAR_FFLUSH_DOMAINS "fast_flush_domains" 2630 #define DEF_FFLUSH_DOMAINS "$relay_domains" 2631 extern char *var_fflush_domains; 2632 2633 #define VAR_FFLUSH_PURGE "fast_flush_purge_time" 2634 #define DEF_FFLUSH_PURGE "7d" 2635 extern int var_fflush_purge; 2636 2637 #define VAR_FFLUSH_REFRESH "fast_flush_refresh_time" 2638 #define DEF_FFLUSH_REFRESH "12h" 2639 extern int var_fflush_refresh; 2640 2641 /* 2642 * Environmental management - what Postfix imports from the external world, 2643 * and what Postfix exports to the external world. 2644 */ 2645 #define VAR_IMPORT_ENVIRON "import_environment" 2646 #define DEF_IMPORT_ENVIRON "MAIL_CONFIG MAIL_DEBUG MAIL_LOGTAG " \ 2647 "TZ XAUTHORITY DISPLAY LANG=C " \ 2648 "POSTLOG_SERVICE POSTLOG_HOSTNAME" 2649 extern char *var_import_environ; 2650 2651 #define VAR_EXPORT_ENVIRON "export_environment" 2652 #define DEF_EXPORT_ENVIRON "TZ MAIL_CONFIG LANG" 2653 extern char *var_export_environ; 2654 2655 /* 2656 * Tunables for the "virtual" local delivery agent 2657 */ 2658 #define VAR_VIRT_TRANSPORT "virtual_transport" 2659 #define DEF_VIRT_TRANSPORT MAIL_SERVICE_VIRTUAL 2660 extern char *var_virt_transport; 2661 2662 #define VAR_VIRT_MAILBOX_MAPS "virtual_mailbox_maps" 2663 #define DEF_VIRT_MAILBOX_MAPS "" 2664 extern char *var_virt_mailbox_maps; 2665 2666 #define VAR_VIRT_MAILBOX_DOMS "virtual_mailbox_domains" 2667 #define DEF_VIRT_MAILBOX_DOMS "$virtual_mailbox_maps" 2668 extern char *var_virt_mailbox_doms; 2669 2670 #define VAR_VIRT_MAILBOX_CODE "unknown_virtual_mailbox_reject_code" 2671 #define DEF_VIRT_MAILBOX_CODE 550 2672 extern int var_virt_mailbox_code; 2673 2674 #define VAR_VIRT_UID_MAPS "virtual_uid_maps" 2675 #define DEF_VIRT_UID_MAPS "" 2676 extern char *var_virt_uid_maps; 2677 2678 #define VAR_VIRT_GID_MAPS "virtual_gid_maps" 2679 #define DEF_VIRT_GID_MAPS "" 2680 extern char *var_virt_gid_maps; 2681 2682 #define VAR_VIRT_MINUID "virtual_minimum_uid" 2683 #define DEF_VIRT_MINUID 100 2684 extern int var_virt_minimum_uid; 2685 2686 #define VAR_VIRT_MAILBOX_BASE "virtual_mailbox_base" 2687 #define DEF_VIRT_MAILBOX_BASE "" 2688 extern char *var_virt_mailbox_base; 2689 2690 #define VAR_VIRT_MAILBOX_LIMIT "virtual_mailbox_limit" 2691 #define DEF_VIRT_MAILBOX_LIMIT (5 * DEF_MESSAGE_LIMIT) 2692 extern long var_virt_mailbox_limit; 2693 2694 #define VAR_VIRT_MAILBOX_LOCK "virtual_mailbox_lock" 2695 #define DEF_VIRT_MAILBOX_LOCK "fcntl, dotlock" 2696 extern char *var_virt_mailbox_lock; 2697 2698 /* 2699 * Distinct logging tag for multiple Postfix instances. 2700 */ 2701 #define VAR_SYSLOG_NAME "syslog_name" 2702 #if 1 2703 #define DEF_SYSLOG_NAME \ 2704 "${" VAR_MULTI_NAME "?{$" VAR_MULTI_NAME "}:{postfix}}" 2705 #else 2706 #define DEF_SYSLOG_NAME "postfix" 2707 #endif 2708 extern char *var_syslog_name; 2709 2710 /* 2711 * QMQPD 2712 */ 2713 #define VAR_QMQPD_CLIENTS "qmqpd_authorized_clients" 2714 #define DEF_QMQPD_CLIENTS "" 2715 extern char *var_qmqpd_clients; 2716 2717 #define VAR_QMTPD_TMOUT "qmqpd_timeout" 2718 #define DEF_QMTPD_TMOUT "300s" 2719 extern int var_qmqpd_timeout; 2720 2721 #define VAR_QMTPD_ERR_SLEEP "qmqpd_error_delay" 2722 #define DEF_QMTPD_ERR_SLEEP "1s" 2723 extern int var_qmqpd_err_sleep; 2724 2725 /* 2726 * VERP, more DJB intellectual cross-pollination. However, we prefer + as 2727 * the default recipient delimiter. 2728 */ 2729 #define VAR_VERP_DELIMS "default_verp_delimiters" 2730 #define DEF_VERP_DELIMS "+=" 2731 extern char *var_verp_delims; 2732 2733 #define VAR_VERP_FILTER "verp_delimiter_filter" 2734 #define DEF_VERP_FILTER "-=+" 2735 extern char *var_verp_filter; 2736 2737 #define VAR_VERP_BOUNCE_OFF "disable_verp_bounces" 2738 #define DEF_VERP_BOUNCE_OFF 0 2739 extern bool var_verp_bounce_off; 2740 2741 #define VAR_VERP_CLIENTS "smtpd_authorized_verp_clients" 2742 #define DEF_VERP_CLIENTS "$authorized_verp_clients" 2743 extern char *var_verp_clients; 2744 2745 /* 2746 * XCLIENT, for rule testing and fetchmail like apps. 2747 */ 2748 #define VAR_XCLIENT_HOSTS "smtpd_authorized_xclient_hosts" 2749 #define DEF_XCLIENT_HOSTS "" 2750 extern char *var_xclient_hosts; 2751 2752 /* 2753 * XFORWARD, for improved post-filter logging. 2754 */ 2755 #define VAR_XFORWARD_HOSTS "smtpd_authorized_xforward_hosts" 2756 #define DEF_XFORWARD_HOSTS "" 2757 extern char *var_xforward_hosts; 2758 2759 /* 2760 * Inbound mail flow control. This allows for a stiffer coupling between 2761 * receiving mail and sending mail. A sending process produces one token for 2762 * each message that it takes from the incoming queue; a receiving process 2763 * consumes one token for each message that it adds to the incoming queue. 2764 * When no token is available (Postfix receives more mail than it is able to 2765 * deliver) a receiving process pauses for $in_flow_delay seconds so that 2766 * the sending processes get a chance to access the disk. 2767 */ 2768 #define VAR_IN_FLOW_DELAY "in_flow_delay" 2769 #ifdef PIPES_CANT_FIONREAD 2770 #define DEF_IN_FLOW_DELAY "0s" 2771 #else 2772 #define DEF_IN_FLOW_DELAY "1s" 2773 #endif 2774 extern int var_in_flow_delay; 2775 2776 /* 2777 * Backwards compatibility: foo.com matches itself and names below foo.com. 2778 */ 2779 #define VAR_PAR_DOM_MATCH "parent_domain_matches_subdomains" 2780 #define DEF_PAR_DOM_MATCH VAR_DEBUG_PEER_LIST "," \ 2781 VAR_FFLUSH_DOMAINS "," \ 2782 VAR_MYNETWORKS "," \ 2783 VAR_PERM_MX_NETWORKS "," \ 2784 VAR_QMQPD_CLIENTS "," \ 2785 VAR_RELAY_DOMAINS "," \ 2786 SMTPD_ACCESS_MAPS 2787 extern char *var_par_dom_match; 2788 2789 #define SMTPD_ACCESS_MAPS "smtpd_access_maps" 2790 2791 /* 2792 * Run-time fault injection. 2793 */ 2794 #define VAR_FAULT_INJ_CODE "fault_injection_code" 2795 #define DEF_FAULT_INJ_CODE 0 2796 extern int var_fault_inj_code; 2797 2798 /* 2799 * Install/upgrade information. 2800 */ 2801 #define VAR_SENDMAIL_PATH "sendmail_path" 2802 #ifndef DEF_SENDMAIL_PATH 2803 #define DEF_SENDMAIL_PATH "/usr/sbin/sendmail" 2804 #endif 2805 2806 #define VAR_MAILQ_PATH "mailq_path" 2807 #ifndef DEF_MAILQ_PATH 2808 #define DEF_MAILQ_PATH "/usr/bin/mailq" 2809 #endif 2810 2811 #define VAR_NEWALIAS_PATH "newaliases_path" 2812 #ifndef DEF_NEWALIAS_PATH 2813 #define DEF_NEWALIAS_PATH "/usr/bin/newaliases" 2814 #endif 2815 2816 #define VAR_OPENSSL_PATH "openssl_path" 2817 #ifndef DEF_OPENSSL_PATH 2818 #define DEF_OPENSSL_PATH "openssl" 2819 #endif 2820 extern char *var_openssl_path; 2821 2822 #define VAR_MANPAGE_DIR "manpage_directory" 2823 #ifndef DEF_MANPAGE_DIR 2824 #define DEF_MANPAGE_DIR "/usr/local/man" 2825 #endif 2826 2827 #define VAR_SAMPLE_DIR "sample_directory" 2828 #ifndef DEF_SAMPLE_DIR 2829 #define DEF_SAMPLE_DIR DEF_CONFIG_DIR 2830 #endif 2831 2832 #define VAR_README_DIR "readme_directory" 2833 #ifndef DEF_README_DIR 2834 #define DEF_README_DIR "no" 2835 #endif 2836 2837 #define VAR_HTML_DIR "html_directory" 2838 #ifndef DEF_HTML_DIR 2839 #define DEF_HTML_DIR "no" 2840 #endif 2841 2842 /* 2843 * Safety: resolve the address with unquoted localpart (default, but 2844 * technically incorrect), instead of resolving the address with quoted 2845 * localpart (technically correct, but unsafe). The default prevents mail 2846 * relay loopholes with "user@domain"@domain when relaying mail to a 2847 * Sendmail system. 2848 */ 2849 #define VAR_RESOLVE_DEQUOTED "resolve_dequoted_address" 2850 #define DEF_RESOLVE_DEQUOTED 1 2851 extern bool var_resolve_dequoted; 2852 2853 #define VAR_RESOLVE_NULLDOM "resolve_null_domain" 2854 #define DEF_RESOLVE_NULLDOM 0 2855 extern bool var_resolve_nulldom; 2856 2857 #define VAR_RESOLVE_NUM_DOM "resolve_numeric_domain" 2858 #define DEF_RESOLVE_NUM_DOM 0 2859 extern bool var_resolve_num_dom; 2860 2861 /* 2862 * Service names. The transport (TCP, FIFO or UNIX-domain) type is frozen 2863 * because you cannot simply mix them, and accessibility (private/public) is 2864 * frozen for security reasons. We list only the internal services, not the 2865 * externally visible SMTP server, or the delivery agents that can already 2866 * be chosen via transport mappings etc. 2867 */ 2868 #define VAR_BOUNCE_SERVICE "bounce_service_name" 2869 #define DEF_BOUNCE_SERVICE MAIL_SERVICE_BOUNCE 2870 extern char *var_bounce_service; 2871 2872 #define VAR_CLEANUP_SERVICE "cleanup_service_name" 2873 #define DEF_CLEANUP_SERVICE MAIL_SERVICE_CLEANUP 2874 extern char *var_cleanup_service; 2875 2876 #define VAR_DEFER_SERVICE "defer_service_name" 2877 #define DEF_DEFER_SERVICE MAIL_SERVICE_DEFER 2878 extern char *var_defer_service; 2879 2880 #define VAR_PICKUP_SERVICE "pickup_service_name" 2881 #define DEF_PICKUP_SERVICE MAIL_SERVICE_PICKUP 2882 extern char *var_pickup_service; 2883 2884 #define VAR_QUEUE_SERVICE "queue_service_name" 2885 #define DEF_QUEUE_SERVICE MAIL_SERVICE_QUEUE 2886 extern char *var_queue_service; 2887 2888 /* XXX resolve does not exist as a separate service */ 2889 2890 #define VAR_REWRITE_SERVICE "rewrite_service_name" 2891 #define DEF_REWRITE_SERVICE MAIL_SERVICE_REWRITE 2892 extern char *var_rewrite_service; 2893 2894 #define VAR_SHOWQ_SERVICE "showq_service_name" 2895 #define DEF_SHOWQ_SERVICE MAIL_SERVICE_SHOWQ 2896 extern char *var_showq_service; 2897 2898 #define VAR_ERROR_SERVICE "error_service_name" 2899 #define DEF_ERROR_SERVICE MAIL_SERVICE_ERROR 2900 extern char *var_error_service; 2901 2902 #define VAR_FLUSH_SERVICE "flush_service_name" 2903 #define DEF_FLUSH_SERVICE MAIL_SERVICE_FLUSH 2904 extern char *var_flush_service; 2905 2906 /* 2907 * Session cache service. 2908 */ 2909 #define VAR_SCACHE_SERVICE "connection_cache_service_name" 2910 #define DEF_SCACHE_SERVICE "scache" 2911 extern char *var_scache_service; 2912 2913 #define VAR_SCACHE_PROTO_TMOUT "connection_cache_protocol_timeout" 2914 #define DEF_SCACHE_PROTO_TMOUT "5s" 2915 extern int var_scache_proto_tmout; 2916 2917 #define VAR_SCACHE_TTL_LIM "connection_cache_ttl_limit" 2918 #define DEF_SCACHE_TTL_LIM "2s" 2919 extern int var_scache_ttl_lim; 2920 2921 #define VAR_SCACHE_STAT_TIME "connection_cache_status_update_time" 2922 #define DEF_SCACHE_STAT_TIME "600s" 2923 extern int var_scache_stat_time; 2924 2925 #define VAR_VRFY_PEND_LIMIT "address_verify_pending_request_limit" 2926 #define DEF_VRFY_PEND_LIMIT (DEF_QMGR_ACT_LIMIT / 4) 2927 extern int var_vrfy_pend_limit; 2928 2929 /* 2930 * Address verification service. 2931 */ 2932 #define VAR_VERIFY_SERVICE "address_verify_service_name" 2933 #define DEF_VERIFY_SERVICE MAIL_SERVICE_VERIFY 2934 extern char *var_verify_service; 2935 2936 #define VAR_VERIFY_MAP "address_verify_map" 2937 #define DEF_VERIFY_MAP "btree:$data_directory/verify_cache" 2938 extern char *var_verify_map; 2939 2940 #define VAR_VERIFY_POS_EXP "address_verify_positive_expire_time" 2941 #define DEF_VERIFY_POS_EXP "31d" 2942 extern int var_verify_pos_exp; 2943 2944 #define VAR_VERIFY_POS_TRY "address_verify_positive_refresh_time" 2945 #define DEF_VERIFY_POS_TRY "7d" 2946 extern int var_verify_pos_try; 2947 2948 #define VAR_VERIFY_NEG_EXP "address_verify_negative_expire_time" 2949 #define DEF_VERIFY_NEG_EXP "3d" 2950 extern int var_verify_neg_exp; 2951 2952 #define VAR_VERIFY_NEG_TRY "address_verify_negative_refresh_time" 2953 #define DEF_VERIFY_NEG_TRY "3h" 2954 extern int var_verify_neg_try; 2955 2956 #define VAR_VERIFY_NEG_CACHE "address_verify_negative_cache" 2957 #define DEF_VERIFY_NEG_CACHE 1 2958 extern bool var_verify_neg_cache; 2959 2960 #define VAR_VERIFY_SCAN_CACHE "address_verify_cache_cleanup_interval" 2961 #define DEF_VERIFY_SCAN_CACHE "12h" 2962 extern int var_verify_scan_cache; 2963 2964 #define VAR_VERIFY_SENDER "address_verify_sender" 2965 #define DEF_VERIFY_SENDER "$" VAR_DOUBLE_BOUNCE 2966 extern char *var_verify_sender; 2967 2968 #define VAR_VERIFY_SENDER_TTL "address_verify_sender_ttl" 2969 #define DEF_VERIFY_SENDER_TTL "0s" 2970 extern int var_verify_sender_ttl; 2971 2972 #define VAR_VERIFY_POLL_COUNT "address_verify_poll_count" 2973 #define DEF_VERIFY_POLL_COUNT "${stress?{1}:{3}}" 2974 extern int var_verify_poll_count; 2975 2976 #define VAR_VERIFY_POLL_DELAY "address_verify_poll_delay" 2977 #define DEF_VERIFY_POLL_DELAY "3s" 2978 extern int var_verify_poll_delay; 2979 2980 #define VAR_VRFY_LOCAL_XPORT "address_verify_local_transport" 2981 #define DEF_VRFY_LOCAL_XPORT "$" VAR_LOCAL_TRANSPORT 2982 extern char *var_vrfy_local_xport; 2983 2984 #define VAR_VRFY_VIRT_XPORT "address_verify_virtual_transport" 2985 #define DEF_VRFY_VIRT_XPORT "$" VAR_VIRT_TRANSPORT 2986 extern char *var_vrfy_virt_xport; 2987 2988 #define VAR_VRFY_RELAY_XPORT "address_verify_relay_transport" 2989 #define DEF_VRFY_RELAY_XPORT "$" VAR_RELAY_TRANSPORT 2990 extern char *var_vrfy_relay_xport; 2991 2992 #define VAR_VRFY_DEF_XPORT "address_verify_default_transport" 2993 #define DEF_VRFY_DEF_XPORT "$" VAR_DEF_TRANSPORT 2994 extern char *var_vrfy_def_xport; 2995 2996 #define VAR_VRFY_SND_DEF_XPORT_MAPS "address_verify_" VAR_SND_DEF_XPORT_MAPS 2997 #define DEF_VRFY_SND_DEF_XPORT_MAPS "$" VAR_SND_DEF_XPORT_MAPS 2998 extern char *var_snd_def_xport_maps; 2999 3000 #define VAR_VRFY_RELAYHOST "address_verify_relayhost" 3001 #define DEF_VRFY_RELAYHOST "$" VAR_RELAYHOST 3002 extern char *var_vrfy_relayhost; 3003 3004 #define VAR_VRFY_RELAY_MAPS "address_verify_sender_dependent_relayhost_maps" 3005 #define DEF_VRFY_RELAY_MAPS "$" VAR_SND_RELAY_MAPS 3006 extern char *var_vrfy_relay_maps; 3007 3008 #define VAR_VRFY_XPORT_MAPS "address_verify_transport_maps" 3009 #define DEF_VRFY_XPORT_MAPS "$" VAR_TRANSPORT_MAPS 3010 extern char *var_vrfy_xport_maps; 3011 3012 #define SMTP_VRFY_TGT_RCPT "rcpt" 3013 #define SMTP_VRFY_TGT_DATA "data" 3014 #define VAR_LMTP_VRFY_TGT "lmtp_address_verify_target" 3015 #define DEF_LMTP_VRFY_TGT SMTP_VRFY_TGT_RCPT 3016 #define VAR_SMTP_VRFY_TGT "smtp_address_verify_target" 3017 #define DEF_SMTP_VRFY_TGT SMTP_VRFY_TGT_RCPT 3018 extern char *var_smtp_vrfy_tgt; 3019 3020 /* 3021 * Message delivery trace service. 3022 */ 3023 #define VAR_TRACE_SERVICE "trace_service_name" 3024 #define DEF_TRACE_SERVICE MAIL_SERVICE_TRACE 3025 extern char *var_trace_service; 3026 3027 /* 3028 * Proxymappers. 3029 */ 3030 #define VAR_PROXYMAP_SERVICE "proxymap_service_name" 3031 #define DEF_PROXYMAP_SERVICE MAIL_SERVICE_PROXYMAP 3032 extern char *var_proxymap_service; 3033 3034 #define VAR_PROXYWRITE_SERVICE "proxywrite_service_name" 3035 #define DEF_PROXYWRITE_SERVICE MAIL_SERVICE_PROXYWRITE 3036 extern char *var_proxywrite_service; 3037 3038 /* 3039 * Mailbox/maildir delivery errors that cause delivery to be tried again. 3040 */ 3041 #define VAR_MBX_DEFER_ERRS "mailbox_defer_errors" 3042 #define DEF_MBX_DEFER_ERRS "eagain, enospc, estale" 3043 extern char *var_mbx_defer_errs; 3044 3045 #define VAR_MDR_DEFER_ERRS "maildir_defer_errors" 3046 #define DEF_MDR_DEFER_ERRS "enospc, estale" 3047 extern char *var_mdr_defer_errs; 3048 3049 /* 3050 * Berkeley DB memory pool sizes. 3051 */ 3052 #define VAR_DB_CREATE_BUF "berkeley_db_create_buffer_size" 3053 #define DEF_DB_CREATE_BUF (16 * 1024 *1024) 3054 extern int var_db_create_buf; 3055 3056 #define VAR_DB_READ_BUF "berkeley_db_read_buffer_size" 3057 #define DEF_DB_READ_BUF (128 *1024) 3058 extern int var_db_read_buf; 3059 3060 /* 3061 * OpenLDAP LMDB settings. 3062 */ 3063 #define VAR_LMDB_MAP_SIZE "lmdb_map_size" 3064 #define DEF_LMDB_MAP_SIZE (16 * 1024 *1024) 3065 extern long var_lmdb_map_size; 3066 3067 /* 3068 * Named queue file attributes. 3069 */ 3070 #define VAR_QATTR_COUNT_LIMIT "queue_file_attribute_count_limit" 3071 #define DEF_QATTR_COUNT_LIMIT 100 3072 extern int var_qattr_count_limit; 3073 3074 /* 3075 * MIME support. 3076 */ 3077 #define VAR_MIME_MAXDEPTH "mime_nesting_limit" 3078 #define DEF_MIME_MAXDEPTH 100 3079 extern int var_mime_maxdepth; 3080 3081 #define VAR_MIME_BOUND_LEN "mime_boundary_length_limit" 3082 #define DEF_MIME_BOUND_LEN 2048 3083 extern int var_mime_bound_len; 3084 3085 #define VAR_DISABLE_MIME_INPUT "disable_mime_input_processing" 3086 #define DEF_DISABLE_MIME_INPUT 0 3087 extern bool var_disable_mime_input; 3088 3089 #define VAR_DISABLE_MIME_OCONV "disable_mime_output_conversion" 3090 #define DEF_DISABLE_MIME_OCONV 0 3091 extern bool var_disable_mime_oconv; 3092 3093 #define VAR_FORCE_MIME_ICONV "force_mime_input_conversion" 3094 #define DEF_FORCE_MIME_ICONV 0 3095 extern bool var_force_mime_iconv; 3096 3097 #define VAR_STRICT_8BITMIME "strict_8bitmime" 3098 #define DEF_STRICT_8BITMIME 0 3099 extern bool var_strict_8bitmime; 3100 3101 #define VAR_STRICT_7BIT_HDRS "strict_7bit_headers" 3102 #define DEF_STRICT_7BIT_HDRS 0 3103 extern bool var_strict_7bit_hdrs; 3104 3105 #define VAR_STRICT_8BIT_BODY "strict_8bitmime_body" 3106 #define DEF_STRICT_8BIT_BODY 0 3107 extern bool var_strict_8bit_body; 3108 3109 #define VAR_STRICT_ENCODING "strict_mime_encoding_domain" 3110 #define DEF_STRICT_ENCODING 0 3111 extern bool var_strict_encoding; 3112 3113 #define VAR_AUTO_8BIT_ENC_HDR "detect_8bit_encoding_header" 3114 #define DEF_AUTO_8BIT_ENC_HDR 1 3115 extern int var_auto_8bit_enc_hdr; 3116 3117 /* 3118 * Bizarre. 3119 */ 3120 #define VAR_SENDER_ROUTING "sender_based_routing" 3121 #define DEF_SENDER_ROUTING 0 3122 extern bool var_sender_routing; 3123 3124 #define VAR_XPORT_NULL_KEY "transport_null_address_lookup_key" 3125 #define DEF_XPORT_NULL_KEY "<>" 3126 extern char *var_xport_null_key; 3127 3128 /* 3129 * Bounce service controls. 3130 */ 3131 #define VAR_OLDLOG_COMPAT "backwards_bounce_logfile_compatibility" 3132 #define DEF_OLDLOG_COMPAT 1 3133 extern bool var_oldlog_compat; 3134 3135 /* 3136 * SMTPD content proxy. 3137 */ 3138 #define VAR_SMTPD_PROXY_FILT "smtpd_proxy_filter" 3139 #define DEF_SMTPD_PROXY_FILT "" 3140 extern char *var_smtpd_proxy_filt; 3141 3142 #define VAR_SMTPD_PROXY_EHLO "smtpd_proxy_ehlo" 3143 #define DEF_SMTPD_PROXY_EHLO "$" VAR_MYHOSTNAME 3144 extern char *var_smtpd_proxy_ehlo; 3145 3146 #define VAR_SMTPD_PROXY_TMOUT "smtpd_proxy_timeout" 3147 #define DEF_SMTPD_PROXY_TMOUT "100s" 3148 extern int var_smtpd_proxy_tmout; 3149 3150 #define VAR_SMTPD_PROXY_OPTS "smtpd_proxy_options" 3151 #define DEF_SMTPD_PROXY_OPTS "" 3152 extern char *var_smtpd_proxy_opts; 3153 3154 /* 3155 * Transparency options for mail input interfaces and for the cleanup server 3156 * behind them. These should turn off stuff we don't want to happen, because 3157 * the default is to do a lot of things. 3158 */ 3159 #define VAR_INPUT_TRANSP "receive_override_options" 3160 #define DEF_INPUT_TRANSP "" 3161 extern char *var_smtpd_input_transp; 3162 3163 /* 3164 * SMTP server policy delegation. 3165 */ 3166 #define VAR_SMTPD_POLICY_TMOUT "smtpd_policy_service_timeout" 3167 #define DEF_SMTPD_POLICY_TMOUT "100s" 3168 extern int var_smtpd_policy_tmout; 3169 3170 #define VAR_SMTPD_POLICY_REQ_LIMIT "smtpd_policy_service_request_limit" 3171 #define DEF_SMTPD_POLICY_REQ_LIMIT 0 3172 extern int var_smtpd_policy_req_limit; 3173 3174 #define VAR_SMTPD_POLICY_IDLE "smtpd_policy_service_max_idle" 3175 #define DEF_SMTPD_POLICY_IDLE "300s" 3176 extern int var_smtpd_policy_idle; 3177 3178 #define VAR_SMTPD_POLICY_TTL "smtpd_policy_service_max_ttl" 3179 #define DEF_SMTPD_POLICY_TTL "1000s" 3180 extern int var_smtpd_policy_ttl; 3181 3182 #define VAR_SMTPD_POLICY_TRY_LIMIT "smtpd_policy_service_try_limit" 3183 #define DEF_SMTPD_POLICY_TRY_LIMIT 2 3184 extern int var_smtpd_policy_try_limit; 3185 3186 #define VAR_SMTPD_POLICY_TRY_DELAY "smtpd_policy_service_retry_delay" 3187 #define DEF_SMTPD_POLICY_TRY_DELAY "1s" 3188 extern int var_smtpd_policy_try_delay; 3189 3190 #define VAR_SMTPD_POLICY_DEF_ACTION "smtpd_policy_service_default_action" 3191 #define DEF_SMTPD_POLICY_DEF_ACTION "451 4.3.5 Server configuration problem" 3192 extern char *var_smtpd_policy_def_action; 3193 3194 #define VAR_SMTPD_POLICY_CONTEXT "smtpd_policy_service_policy_context" 3195 #define DEF_SMTPD_POLICY_CONTEXT "" 3196 extern char *var_smtpd_policy_context; 3197 3198 #define CHECK_POLICY_SERVICE "check_policy_service" 3199 3200 /* 3201 * Client rate control. 3202 */ 3203 #define VAR_SMTPD_CRATE_LIMIT "smtpd_client_connection_rate_limit" 3204 #define DEF_SMTPD_CRATE_LIMIT 0 3205 extern int var_smtpd_crate_limit; 3206 3207 #define VAR_SMTPD_CCONN_LIMIT "smtpd_client_connection_count_limit" 3208 #define DEF_SMTPD_CCONN_LIMIT ((DEF_PROC_LIMIT + 1) / 2) 3209 extern int var_smtpd_cconn_limit; 3210 3211 #define VAR_SMTPD_CMAIL_LIMIT "smtpd_client_message_rate_limit" 3212 #define DEF_SMTPD_CMAIL_LIMIT 0 3213 extern int var_smtpd_cmail_limit; 3214 3215 #define VAR_SMTPD_CRCPT_LIMIT "smtpd_client_recipient_rate_limit" 3216 #define DEF_SMTPD_CRCPT_LIMIT 0 3217 extern int var_smtpd_crcpt_limit; 3218 3219 #define VAR_SMTPD_CNTLS_LIMIT "smtpd_client_new_tls_session_rate_limit" 3220 #define DEF_SMTPD_CNTLS_LIMIT 0 3221 extern int var_smtpd_cntls_limit; 3222 3223 #define VAR_SMTPD_CAUTH_LIMIT "smtpd_client_auth_rate_limit" 3224 #define DEF_SMTPD_CAUTH_LIMIT 0 3225 extern int var_smtpd_cauth_limit; 3226 3227 #define VAR_SMTPD_CIPV4_PREFIX "smtpd_client_ipv4_prefix_length" 3228 #define DEF_SMTPD_CIPV4_PREFIX 32 3229 #define MAX_SMTPD_CIPV4_PREFIX 32 3230 extern int var_smtpd_cipv4_prefix; 3231 3232 #define VAR_SMTPD_CIPV6_PREFIX "smtpd_client_ipv6_prefix_length" 3233 #define DEF_SMTPD_CIPV6_PREFIX 84 3234 #define MAX_SMTPD_CIPV6_PREFIX 128 3235 extern int var_smtpd_cipv6_prefix; 3236 3237 #define VAR_SMTPD_HOGGERS "smtpd_client_event_limit_exceptions" 3238 #define DEF_SMTPD_HOGGERS "${smtpd_client_connection_limit_exceptions:$" VAR_MYNETWORKS "}" 3239 extern char *var_smtpd_hoggers; 3240 3241 #define VAR_ANVIL_TIME_UNIT "anvil_rate_time_unit" 3242 #define DEF_ANVIL_TIME_UNIT "60s" 3243 extern int var_anvil_time_unit; 3244 3245 #define VAR_ANVIL_STAT_TIME "anvil_status_update_time" 3246 #define DEF_ANVIL_STAT_TIME "600s" 3247 extern int var_anvil_stat_time; 3248 3249 /* 3250 * Temporary stop gap. 3251 */ 3252 #if 0 3253 #include <anvil_clnt.h> 3254 3255 #define VAR_ANVIL_SERVICE "client_connection_rate_service_name" 3256 #define DEF_ANVIL_SERVICE "local:" ANVIL_CLASS "/" ANVIL_SERVICE 3257 extern char *var_anvil_service; 3258 3259 #endif 3260 3261 /* 3262 * What domain names to assume when no valid domain context exists. 3263 */ 3264 #define VAR_REM_RWR_DOMAIN "remote_header_rewrite_domain" 3265 #define DEF_REM_RWR_DOMAIN "" 3266 extern char *var_remote_rwr_domain; 3267 3268 #define CHECK_ADDR_MAP "check_address_map" 3269 3270 #define VAR_LOC_RWR_CLIENTS "local_header_rewrite_clients" 3271 #define DEF_LOC_RWR_CLIENTS PERMIT_INET_INTERFACES 3272 extern char *var_local_rwr_clients; 3273 3274 /* 3275 * EHLO keyword filter. 3276 */ 3277 #define VAR_SMTPD_EHLO_DIS_WORDS "smtpd_discard_ehlo_keywords" 3278 #define DEF_SMTPD_EHLO_DIS_WORDS "" 3279 extern char *var_smtpd_ehlo_dis_words; 3280 3281 #define VAR_SMTPD_EHLO_DIS_MAPS "smtpd_discard_ehlo_keyword_address_maps" 3282 #define DEF_SMTPD_EHLO_DIS_MAPS "" 3283 extern char *var_smtpd_ehlo_dis_maps; 3284 3285 #define VAR_SMTP_EHLO_DIS_WORDS "smtp_discard_ehlo_keywords" 3286 #define DEF_SMTP_EHLO_DIS_WORDS "" 3287 #define VAR_LMTP_EHLO_DIS_WORDS "lmtp_discard_lhlo_keywords" 3288 #define DEF_LMTP_EHLO_DIS_WORDS "" 3289 extern char *var_smtp_ehlo_dis_words; 3290 3291 #define VAR_SMTP_EHLO_DIS_MAPS "smtp_discard_ehlo_keyword_address_maps" 3292 #define DEF_SMTP_EHLO_DIS_MAPS "" 3293 #define VAR_LMTP_EHLO_DIS_MAPS "lmtp_discard_lhlo_keyword_address_maps" 3294 #define DEF_LMTP_EHLO_DIS_MAPS "" 3295 extern char *var_smtp_ehlo_dis_maps; 3296 3297 /* 3298 * gcc workaround for warnings about empty or null format strings. 3299 */ 3300 extern const char null_format_string[1]; 3301 3302 /* 3303 * Characters to reject or strip. 3304 */ 3305 #define VAR_MSG_REJECT_CHARS "message_reject_characters" 3306 #define DEF_MSG_REJECT_CHARS "" 3307 extern char *var_msg_reject_chars; 3308 3309 #define VAR_MSG_STRIP_CHARS "message_strip_characters" 3310 #define DEF_MSG_STRIP_CHARS "" 3311 extern char *var_msg_strip_chars; 3312 3313 /* 3314 * Local forwarding complexity controls. 3315 */ 3316 #define VAR_FROZEN_DELIVERED "frozen_delivered_to" 3317 #define DEF_FROZEN_DELIVERED 1 3318 extern bool var_frozen_delivered; 3319 3320 #define VAR_RESET_OWNER_ATTR "reset_owner_alias" 3321 #define DEF_RESET_OWNER_ATTR 0 3322 extern bool var_reset_owner_attr; 3323 3324 /* 3325 * Delay logging time roundup. 3326 */ 3327 #define VAR_DELAY_MAX_RES "delay_logging_resolution_limit" 3328 #define MAX_DELAY_MAX_RES 6 3329 #define DEF_DELAY_MAX_RES 2 3330 #define MIN_DELAY_MAX_RES 0 3331 extern int var_delay_max_res; 3332 3333 /* 3334 * Bounce message templates. 3335 */ 3336 #define VAR_BOUNCE_TMPL "bounce_template_file" 3337 #define DEF_BOUNCE_TMPL "" 3338 extern char *var_bounce_tmpl; 3339 3340 /* 3341 * Sender-dependent authentication. 3342 */ 3343 #define VAR_SMTP_SENDER_AUTH "smtp_sender_dependent_authentication" 3344 #define DEF_SMTP_SENDER_AUTH 0 3345 #define VAR_LMTP_SENDER_AUTH "lmtp_sender_dependent_authentication" 3346 #define DEF_LMTP_SENDER_AUTH 0 3347 extern bool var_smtp_sender_auth; 3348 3349 /* 3350 * Allow CNAME lookup result to override the server hostname. 3351 */ 3352 #define VAR_SMTP_CNAME_OVERR "smtp_cname_overrides_servername" 3353 #define DEF_SMTP_CNAME_OVERR 0 3354 #define VAR_LMTP_CNAME_OVERR "lmtp_cname_overrides_servername" 3355 #define DEF_LMTP_CNAME_OVERR 0 3356 extern bool var_smtp_cname_overr; 3357 3358 /* 3359 * TLS library settings 3360 */ 3361 #define VAR_TLS_CNF_FILE "tls_config_file" 3362 #define DEF_TLS_CNF_FILE "default" 3363 extern char *var_tls_cnf_file; 3364 3365 #define VAR_TLS_CNF_NAME "tls_config_name" 3366 #define DEF_TLS_CNF_NAME "" 3367 extern char *var_tls_cnf_name; 3368 3369 /* 3370 * Deprecated and unused cipher, key exchange and public key algorithms 3371 */ 3372 #define TLS_EXCL_CIPHS ":!SEED:!IDEA:!3DES:!RC2:!RC4:!RC5" 3373 #define TLS_EXCL_KEXCH ":!kDH:!kECDH" 3374 #define TLS_EXCL_PKEYS ":!aDSS" 3375 #define TLS_EXCL_DGSTS ":!MD5" 3376 #define TLS_EXCL TLS_EXCL_CIPHS TLS_EXCL_REST 3377 #define TLS_EXCL_REST TLS_EXCL_KEXCH TLS_EXCL_PKEYS TLS_EXCL_DGSTS 3378 3379 #define VAR_TLS_HIGH_CLIST "tls_high_cipherlist" 3380 #define DEF_TLS_HIGH_CLIST "aNULL:-aNULL:HIGH" TLS_EXCL ":@STRENGTH" 3381 extern char *var_tls_high_clist; 3382 3383 #define VAR_TLS_MEDIUM_CLIST "tls_medium_cipherlist" 3384 #define DEF_TLS_MEDIUM_CLIST "aNULL:-aNULL:HIGH:MEDIUM" TLS_EXCL ":+RC4:@STRENGTH" 3385 extern char *var_tls_medium_clist; 3386 3387 #define VAR_TLS_LOW_CLIST "tls_low_cipherlist" 3388 #define DEF_TLS_LOW_CLIST "" 3389 extern char *var_tls_low_ignored; 3390 3391 #define VAR_TLS_EXPORT_CLIST "tls_export_cipherlist" 3392 #define DEF_TLS_EXPORT_CLIST "" 3393 extern char *var_tls_export_ignored; 3394 3395 #define VAR_TLS_NULL_CLIST "tls_null_cipherlist" 3396 #define DEF_TLS_NULL_CLIST "eNULL" TLS_EXCL_REST ":!aNULL" 3397 extern char *var_tls_null_clist; 3398 3399 #if defined(SN_X25519) && defined(NID_X25519) 3400 #define DEF_TLS_EECDH_AUTO_1 SN_X25519 " " 3401 #else 3402 #define DEF_TLS_EECDH_AUTO_1 "" 3403 #endif 3404 3405 #if defined(SN_X448) && defined(NID_X448) 3406 #define DEF_TLS_EECDH_AUTO_2 SN_X448 " " 3407 #else 3408 #define DEF_TLS_EECDH_AUTO_2 "" 3409 #endif 3410 3411 #if defined(SN_X9_62_prime256v1) && defined(NID_X9_62_prime256v1) 3412 #define DEF_TLS_EECDH_AUTO_3 SN_X9_62_prime256v1 " " 3413 #else 3414 #define DEF_TLS_EECDH_AUTO_3 "" 3415 #endif 3416 3417 #if defined(SN_secp384r1) && defined(NID_secp384r1) 3418 #define DEF_TLS_EECDH_AUTO_4 SN_secp384r1 " " 3419 #else 3420 #define DEF_TLS_EECDH_AUTO_4 "" 3421 #endif 3422 3423 #if defined(SN_secp521r1) && defined(NID_secp521r1) 3424 #define DEF_TLS_EECDH_AUTO_5 SN_secp521r1 " " 3425 #else 3426 #define DEF_TLS_EECDH_AUTO_5 "" 3427 #endif 3428 3429 #define VAR_TLS_EECDH_AUTO "tls_eecdh_auto_curves" 3430 #define DEF_TLS_EECDH_AUTO DEF_TLS_EECDH_AUTO_1 \ 3431 DEF_TLS_EECDH_AUTO_2 \ 3432 DEF_TLS_EECDH_AUTO_3 \ 3433 DEF_TLS_EECDH_AUTO_4 \ 3434 DEF_TLS_EECDH_AUTO_5 3435 extern char *var_tls_eecdh_auto; 3436 3437 #define VAR_TLS_EECDH_STRONG "tls_eecdh_strong_curve" 3438 #define DEF_TLS_EECDH_STRONG "prime256v1" 3439 extern char *var_tls_eecdh_strong; 3440 3441 #define VAR_TLS_EECDH_ULTRA "tls_eecdh_ultra_curve" 3442 #define DEF_TLS_EECDH_ULTRA "secp384r1" 3443 extern char *var_tls_eecdh_ultra; 3444 3445 #if defined(SN_ffdhe2048) && defined(NID_ffdhe2048) 3446 #define DEF_TLS_FFDHE_AUTO_1 SN_ffdhe2048 " " 3447 #else 3448 #define DEF_TLS_FFDHE_AUTO_1 "" 3449 #endif 3450 #if defined(SN_ffdhe3072) && defined(NID_ffdhe3072) 3451 #define DEF_TLS_FFDHE_AUTO_2 SN_ffdhe3072 " " 3452 #else 3453 #define DEF_TLS_FFDHE_AUTO_2 "" 3454 #endif 3455 3456 #define VAR_TLS_FFDHE_AUTO "tls_ffdhe_auto_groups" 3457 #define DEF_TLS_FFDHE_AUTO DEF_TLS_FFDHE_AUTO_1 \ 3458 DEF_TLS_FFDHE_AUTO_2 3459 extern char *var_tls_ffdhe_auto; 3460 3461 #define VAR_TLS_PREEMPT_CLIST "tls_preempt_cipherlist" 3462 #define DEF_TLS_PREEMPT_CLIST 0 3463 extern bool var_tls_preempt_clist; 3464 3465 #define VAR_TLS_MULTI_WILDCARD "tls_wildcard_matches_multiple_labels" 3466 #define DEF_TLS_MULTI_WILDCARD 1 3467 extern bool var_tls_multi_wildcard; 3468 3469 #define VAR_TLS_BUG_TWEAKS "tls_disable_workarounds" 3470 #define DEF_TLS_BUG_TWEAKS "" 3471 extern char *var_tls_bug_tweaks; 3472 3473 #define VAR_TLS_SSL_OPTIONS "tls_ssl_options" 3474 #define DEF_TLS_SSL_OPTIONS "" 3475 extern char *var_tls_ssl_options; 3476 3477 #define VAR_TLS_TKT_CIPHER "tls_session_ticket_cipher" 3478 #define DEF_TLS_TKT_CIPHER "aes-256-cbc" 3479 extern char *var_tls_tkt_cipher; 3480 3481 #define VAR_TLS_BC_PKEY_FPRINT "tls_legacy_public_key_fingerprints" 3482 #define DEF_TLS_BC_PKEY_FPRINT 0 3483 extern bool var_tls_bc_pkey_fprint; 3484 3485 #define VAR_TLS_SERVER_SNI_MAPS "tls_server_sni_maps" 3486 #define DEF_TLS_SERVER_SNI_MAPS "" 3487 extern char *var_tls_server_sni_maps; 3488 3489 /* 3490 * Ordered list of DANE digest algorithms. 3491 */ 3492 #define VAR_TLS_DANE_DIGESTS "tls_dane_digests" 3493 #define DEF_TLS_DANE_DIGESTS "sha512 sha256" 3494 extern char *var_tls_dane_digests; 3495 3496 /* 3497 * The default is incompatible with pre-TLSv1.0 protocols. 3498 */ 3499 #define VAR_TLS_FAST_SHUTDOWN "tls_fast_shutdown_enable" 3500 #define DEF_TLS_FAST_SHUTDOWN 1 3501 extern bool var_tls_fast_shutdown; 3502 3503 /* 3504 * Sendmail-style mail filter support. 3505 */ 3506 #define VAR_SMTPD_MILTERS "smtpd_milters" 3507 #define DEF_SMTPD_MILTERS "" 3508 extern char *var_smtpd_milters; 3509 3510 #define VAR_SMTPD_MILTER_MAPS "smtpd_milter_maps" 3511 #define DEF_SMTPD_MILTER_MAPS "" 3512 extern char *var_smtpd_milter_maps; 3513 3514 #define SMTPD_MILTERS_DISABLE "DISABLE" 3515 3516 #define VAR_CLEANUP_MILTERS "non_smtpd_milters" 3517 #define DEF_CLEANUP_MILTERS "" 3518 extern char *var_cleanup_milters; 3519 3520 #define VAR_MILT_DEF_ACTION "milter_default_action" 3521 #define DEF_MILT_DEF_ACTION "tempfail" 3522 extern char *var_milt_def_action; 3523 3524 #define VAR_MILT_CONN_MACROS "milter_connect_macros" 3525 #define DEF_MILT_CONN_MACROS "j {daemon_name} {daemon_addr} v _" 3526 extern char *var_milt_conn_macros; 3527 3528 #define VAR_MILT_HELO_MACROS "milter_helo_macros" 3529 #define DEF_MILT_HELO_MACROS "{tls_version} {cipher} {cipher_bits}" \ 3530 " {cert_subject} {cert_issuer}" 3531 extern char *var_milt_helo_macros; 3532 3533 #define VAR_MILT_MAIL_MACROS "milter_mail_macros" 3534 #define DEF_MILT_MAIL_MACROS "i {auth_type} {auth_authen}" \ 3535 " {auth_author} {mail_addr}" \ 3536 " {mail_host} {mail_mailer}" 3537 extern char *var_milt_mail_macros; 3538 3539 #define VAR_MILT_RCPT_MACROS "milter_rcpt_macros" 3540 #define DEF_MILT_RCPT_MACROS "i {rcpt_addr} {rcpt_host}" \ 3541 " {rcpt_mailer}" 3542 extern char *var_milt_rcpt_macros; 3543 3544 #define VAR_MILT_DATA_MACROS "milter_data_macros" 3545 #define DEF_MILT_DATA_MACROS "i" 3546 extern char *var_milt_data_macros; 3547 3548 #define VAR_MILT_UNK_MACROS "milter_unknown_command_macros" 3549 #define DEF_MILT_UNK_MACROS "" 3550 extern char *var_milt_unk_macros; 3551 3552 #define VAR_MILT_EOH_MACROS "milter_end_of_header_macros" 3553 #define DEF_MILT_EOH_MACROS "i" 3554 extern char *var_milt_eoh_macros; 3555 3556 #define VAR_MILT_EOD_MACROS "milter_end_of_data_macros" 3557 #define DEF_MILT_EOD_MACROS "i" 3558 extern char *var_milt_eod_macros; 3559 3560 #define VAR_MILT_CONN_TIME "milter_connect_timeout" 3561 #define DEF_MILT_CONN_TIME "30s" 3562 extern int var_milt_conn_time; 3563 3564 #define VAR_MILT_CMD_TIME "milter_command_timeout" 3565 #define DEF_MILT_CMD_TIME "30s" 3566 extern int var_milt_cmd_time; 3567 3568 #define VAR_MILT_MSG_TIME "milter_content_timeout" 3569 #define DEF_MILT_MSG_TIME "300s" 3570 extern int var_milt_msg_time; 3571 3572 #define VAR_MILT_PROTOCOL "milter_protocol" 3573 #define DEF_MILT_PROTOCOL "6" 3574 extern char *var_milt_protocol; 3575 3576 #define VAR_MILT_DEF_ACTION "milter_default_action" 3577 #define DEF_MILT_DEF_ACTION "tempfail" 3578 extern char *var_milt_def_action; 3579 3580 #define VAR_MILT_DAEMON_NAME "milter_macro_daemon_name" 3581 #define DEF_MILT_DAEMON_NAME "$" VAR_MYHOSTNAME 3582 extern char *var_milt_daemon_name; 3583 3584 #define VAR_MILT_V "milter_macro_v" 3585 #define DEF_MILT_V "$" VAR_MAIL_NAME " $" VAR_MAIL_VERSION 3586 extern char *var_milt_v; 3587 3588 #define VAR_MILT_HEAD_CHECKS "milter_header_checks" 3589 #define DEF_MILT_HEAD_CHECKS "" 3590 extern char *var_milt_head_checks; 3591 3592 #define VAR_MILT_MACRO_DEFLTS "milter_macro_defaults" 3593 #define DEF_MILT_MACRO_DEFLTS "" 3594 extern char *var_milt_macro_deflts; 3595 3596 /* 3597 * What internal mail do we inspect/stamp/etc.? This is not yet safe enough 3598 * to enable world-wide. 3599 */ 3600 #define INT_FILT_CLASS_NONE "" 3601 #define INT_FILT_CLASS_NOTIFY "notify" 3602 #define INT_FILT_CLASS_BOUNCE "bounce" 3603 3604 #define VAR_INT_FILT_CLASSES "internal_mail_filter_classes" 3605 #define DEF_INT_FILT_CLASSES INT_FILT_CLASS_NONE 3606 extern char *var_int_filt_classes; 3607 3608 /* 3609 * This could break logfile processors, so it's off by default. 3610 */ 3611 #define VAR_SMTPD_CLIENT_PORT_LOG "smtpd_client_port_logging" 3612 #define DEF_SMTPD_CLIENT_PORT_LOG 0 3613 extern bool var_smtpd_client_port_log; 3614 3615 #define VAR_QMQPD_CLIENT_PORT_LOG "qmqpd_client_port_logging" 3616 #define DEF_QMQPD_CLIENT_PORT_LOG 0 3617 extern bool var_qmqpd_client_port_log; 3618 3619 /* 3620 * Header/body checks in delivery agents. 3621 */ 3622 #define VAR_SMTP_HEAD_CHKS "smtp_header_checks" 3623 #define DEF_SMTP_HEAD_CHKS "" 3624 extern char *var_smtp_head_chks; 3625 3626 #define VAR_SMTP_MIME_CHKS "smtp_mime_header_checks" 3627 #define DEF_SMTP_MIME_CHKS "" 3628 extern char *var_smtp_mime_chks; 3629 3630 #define VAR_SMTP_NEST_CHKS "smtp_nested_header_checks" 3631 #define DEF_SMTP_NEST_CHKS "" 3632 extern char *var_smtp_nest_chks; 3633 3634 #define VAR_SMTP_BODY_CHKS "smtp_body_checks" 3635 #define DEF_SMTP_BODY_CHKS "" 3636 extern char *var_smtp_body_chks; 3637 3638 #define VAR_LMTP_HEAD_CHKS "lmtp_header_checks" 3639 #define DEF_LMTP_HEAD_CHKS "" 3640 #define VAR_LMTP_MIME_CHKS "lmtp_mime_header_checks" 3641 #define DEF_LMTP_MIME_CHKS "" 3642 #define VAR_LMTP_NEST_CHKS "lmtp_nested_header_checks" 3643 #define DEF_LMTP_NEST_CHKS "" 3644 #define VAR_LMTP_BODY_CHKS "lmtp_body_checks" 3645 #define DEF_LMTP_BODY_CHKS "" 3646 3647 #define VAR_SMTP_ADDR_PREF "smtp_address_preference" 3648 #ifdef HAS_IPV6 3649 #define DEF_SMTP_ADDR_PREF INET_PROTO_NAME_ANY 3650 #else 3651 #define DEF_SMTP_ADDR_PREF INET_PROTO_NAME_IPV4 3652 #endif 3653 extern char *var_smtp_addr_pref; 3654 3655 #define VAR_LMTP_ADDR_PREF "lmtp_address_preference" 3656 #define DEF_LMTP_ADDR_PREF DEF_SMTP_ADDR_PREF 3657 3658 /* 3659 * Scheduler concurrency feedback algorithms. 3660 */ 3661 #define VAR_CONC_POS_FDBACK "default_destination_concurrency_positive_feedback" 3662 #define _CONC_POS_FDBACK "_destination_concurrency_positive_feedback" 3663 #define DEF_CONC_POS_FDBACK "1" 3664 extern char *var_conc_pos_feedback; 3665 3666 #define VAR_CONC_NEG_FDBACK "default_destination_concurrency_negative_feedback" 3667 #define _CONC_NEG_FDBACK "_destination_concurrency_negative_feedback" 3668 #define DEF_CONC_NEG_FDBACK "1" 3669 extern char *var_conc_neg_feedback; 3670 3671 #define CONC_FDBACK_NAME_WIN "concurrency" 3672 #define CONC_FDBACK_NAME_SQRT_WIN "sqrt_concurrency" 3673 3674 #define VAR_CONC_COHORT_LIM "default_destination_concurrency_failed_cohort_limit" 3675 #define _CONC_COHORT_LIM "_destination_concurrency_failed_cohort_limit" 3676 #define DEF_CONC_COHORT_LIM 1 3677 extern int var_conc_cohort_limit; 3678 3679 #define VAR_CONC_FDBACK_DEBUG "destination_concurrency_feedback_debug" 3680 #define DEF_CONC_FDBACK_DEBUG 0 3681 extern bool var_conc_feedback_debug; 3682 3683 #define VAR_DEST_RATE_DELAY "default_destination_rate_delay" 3684 #define _DEST_RATE_DELAY "_destination_rate_delay" 3685 #define DEF_DEST_RATE_DELAY "0s" 3686 extern int var_dest_rate_delay; 3687 3688 #define VAR_XPORT_RATE_DELAY "default_transport_rate_delay" 3689 #define _XPORT_RATE_DELAY "_transport_rate_delay" 3690 #define DEF_XPORT_RATE_DELAY "0s" 3691 extern int var_xport_rate_delay; 3692 3693 /* 3694 * Stress handling. 3695 */ 3696 #define VAR_STRESS "stress" 3697 #define DEF_STRESS "" 3698 extern char *var_stress; 3699 3700 /* 3701 * Mailbox ownership. 3702 */ 3703 #define VAR_STRICT_MBOX_OWNER "strict_mailbox_ownership" 3704 #define DEF_STRICT_MBOX_OWNER 1 3705 extern bool var_strict_mbox_owner; 3706 3707 /* 3708 * Window scaling workaround. 3709 */ 3710 #define VAR_INET_WINDOW "tcp_windowsize" 3711 #define DEF_INET_WINDOW 0 3712 extern int var_inet_windowsize; 3713 3714 /* 3715 * Plug-in multi-instance support. Only the first two parameters are used by 3716 * Postfix itself; the other ones are reserved for the instance manager. 3717 */ 3718 #define VAR_MULTI_CONF_DIRS "multi_instance_directories" 3719 #define DEF_MULTI_CONF_DIRS "" 3720 extern char *var_multi_conf_dirs; 3721 3722 #define VAR_MULTI_WRAPPER "multi_instance_wrapper" 3723 #define DEF_MULTI_WRAPPER "" 3724 extern char *var_multi_wrapper; 3725 3726 #define VAR_MULTI_NAME "multi_instance_name" 3727 #define DEF_MULTI_NAME "" 3728 extern char *var_multi_name; 3729 3730 #define VAR_MULTI_GROUP "multi_instance_group" 3731 #define DEF_MULTI_GROUP "" 3732 extern char *var_multi_group; 3733 3734 #define VAR_MULTI_ENABLE "multi_instance_enable" 3735 #define DEF_MULTI_ENABLE 0 3736 extern bool var_multi_enable; 3737 3738 /* 3739 * postmulti(1) instance manager 3740 */ 3741 #define VAR_MULTI_START_CMDS "postmulti_start_commands" 3742 #define DEF_MULTI_START_CMDS "start" 3743 extern char *var_multi_start_cmds; 3744 3745 #define VAR_MULTI_STOP_CMDS "postmulti_stop_commands" 3746 #define DEF_MULTI_STOP_CMDS "stop abort drain quick-stop" 3747 extern char *var_multi_stop_cmds; 3748 3749 #define VAR_MULTI_CNTRL_CMDS "postmulti_control_commands" 3750 #define DEF_MULTI_CNTRL_CMDS "reload flush" 3751 extern char *var_multi_cntrl_cmds; 3752 3753 /* 3754 * postscreen(8) 3755 */ 3756 #define VAR_PSC_CACHE_MAP "postscreen_cache_map" 3757 #define DEF_PSC_CACHE_MAP "btree:$data_directory/postscreen_cache" 3758 extern char *var_psc_cache_map; 3759 3760 #define VAR_SMTPD_SERVICE "smtpd_service_name" 3761 #define DEF_SMTPD_SERVICE "smtpd" 3762 extern char *var_smtpd_service; 3763 3764 #define VAR_PSC_POST_QLIMIT "postscreen_post_queue_limit" 3765 #define DEF_PSC_POST_QLIMIT "$" VAR_PROC_LIMIT 3766 extern int var_psc_post_queue_limit; 3767 3768 #define VAR_PSC_PRE_QLIMIT "postscreen_pre_queue_limit" 3769 #define DEF_PSC_PRE_QLIMIT "$" VAR_PROC_LIMIT 3770 extern int var_psc_pre_queue_limit; 3771 3772 #define VAR_PSC_CACHE_RET "postscreen_cache_retention_time" 3773 #define DEF_PSC_CACHE_RET "7d" 3774 extern int var_psc_cache_ret; 3775 3776 #define VAR_PSC_CACHE_SCAN "postscreen_cache_cleanup_interval" 3777 #define DEF_PSC_CACHE_SCAN "12h" 3778 extern int var_psc_cache_scan; 3779 3780 #define VAR_PSC_GREET_WAIT "postscreen_greet_wait" 3781 #define DEF_PSC_GREET_WAIT "${stress?{2}:{6}}s" 3782 extern int var_psc_greet_wait; 3783 3784 #define VAR_PSC_PREGR_BANNER "postscreen_greet_banner" 3785 #define DEF_PSC_PREGR_BANNER "$" VAR_SMTPD_BANNER 3786 extern char *var_psc_pregr_banner; 3787 3788 #define VAR_PSC_PREGR_ENABLE "postscreen_greet_enable" 3789 #define DEF_PSC_PREGR_ENABLE no 3790 extern char *var_psc_pregr_enable; 3791 3792 #define VAR_PSC_PREGR_ACTION "postscreen_greet_action" 3793 #define DEF_PSC_PREGR_ACTION "ignore" 3794 extern char *var_psc_pregr_action; 3795 3796 #define VAR_PSC_PREGR_TTL "postscreen_greet_ttl" 3797 #define DEF_PSC_PREGR_TTL "1d" 3798 extern int var_psc_pregr_ttl; 3799 3800 #define VAR_PSC_DNSBL_SITES "postscreen_dnsbl_sites" 3801 #define DEF_PSC_DNSBL_SITES "" 3802 extern char *var_psc_dnsbl_sites; 3803 3804 #define VAR_PSC_DNSBL_THRESH "postscreen_dnsbl_threshold" 3805 #define DEF_PSC_DNSBL_THRESH 1 3806 extern int var_psc_dnsbl_thresh; 3807 3808 #define VAR_PSC_DNSBL_WTHRESH "postscreen_dnsbl_whitelist_threshold" 3809 #define DEF_PSC_DNSBL_WTHRESH 0 3810 3811 #define VAR_PSC_DNSBL_ALTHRESH "postscreen_dnsbl_allowlist_threshold" 3812 #define DEF_PSC_DNSBL_ALTHRESH \ 3813 "${" VAR_PSC_DNSBL_WTHRESH "?{$" VAR_PSC_DNSBL_WTHRESH "}:{0}}" 3814 extern int var_psc_dnsbl_althresh; 3815 3816 #define VAR_PSC_DNSBL_ENABLE "postscreen_dnsbl_enable" 3817 #define DEF_PSC_DNSBL_ENABLE 0 3818 extern char *var_psc_dnsbl_enable; 3819 3820 #define VAR_PSC_DNSBL_ACTION "postscreen_dnsbl_action" 3821 #define DEF_PSC_DNSBL_ACTION "ignore" 3822 extern char *var_psc_dnsbl_action; 3823 3824 #define VAR_PSC_DNSBL_MIN_TTL "postscreen_dnsbl_min_ttl" 3825 #define DEF_PSC_DNSBL_MIN_TTL "60s" 3826 extern int var_psc_dnsbl_min_ttl; 3827 3828 #define VAR_PSC_DNSBL_MAX_TTL "postscreen_dnsbl_max_ttl" 3829 #define DEF_PSC_DNSBL_MAX_TTL "${postscreen_dnsbl_ttl?{$postscreen_dnsbl_ttl}:{1}}h" 3830 extern int var_psc_dnsbl_max_ttl; 3831 3832 #define VAR_PSC_DNSBL_REPLY "postscreen_dnsbl_reply_map" 3833 #define DEF_PSC_DNSBL_REPLY "" 3834 extern char *var_psc_dnsbl_reply; 3835 3836 #define VAR_PSC_DNSBL_TMOUT "postscreen_dnsbl_timeout" 3837 #define DEF_PSC_DNSBL_TMOUT "10s" 3838 extern int var_psc_dnsbl_tmout; 3839 3840 #define VAR_PSC_PIPEL_ENABLE "postscreen_pipelining_enable" 3841 #define DEF_PSC_PIPEL_ENABLE 0 3842 extern bool var_psc_pipel_enable; 3843 3844 #define VAR_PSC_PIPEL_ACTION "postscreen_pipelining_action" 3845 #define DEF_PSC_PIPEL_ACTION "enforce" 3846 extern char *var_psc_pipel_action; 3847 3848 #define VAR_PSC_PIPEL_TTL "postscreen_pipelining_ttl" 3849 #define DEF_PSC_PIPEL_TTL "30d" 3850 extern int var_psc_pipel_ttl; 3851 3852 #define VAR_PSC_NSMTP_ENABLE "postscreen_non_smtp_command_enable" 3853 #define DEF_PSC_NSMTP_ENABLE 0 3854 extern bool var_psc_nsmtp_enable; 3855 3856 #define VAR_PSC_NSMTP_ACTION "postscreen_non_smtp_command_action" 3857 #define DEF_PSC_NSMTP_ACTION "drop" 3858 extern char *var_psc_nsmtp_action; 3859 3860 #define VAR_PSC_NSMTP_TTL "postscreen_non_smtp_command_ttl" 3861 #define DEF_PSC_NSMTP_TTL "30d" 3862 extern int var_psc_nsmtp_ttl; 3863 3864 #define VAR_PSC_BARLF_ENABLE "postscreen_bare_newline_enable" 3865 #define DEF_PSC_BARLF_ENABLE 0 3866 extern bool var_psc_barlf_enable; 3867 3868 #define VAR_PSC_BARLF_ACTION "postscreen_bare_newline_action" 3869 #define DEF_PSC_BARLF_ACTION "ignore" 3870 extern char *var_psc_barlf_action; 3871 3872 #define VAR_PSC_BARLF_TTL "postscreen_bare_newline_ttl" 3873 #define DEF_PSC_BARLF_TTL "30d" 3874 extern int var_psc_barlf_ttl; 3875 3876 #define VAR_PSC_BLIST_ACTION "postscreen_blacklist_action" 3877 #define DEF_PSC_BLIST_ACTION "ignore" 3878 3879 #define VAR_PSC_DNLIST_ACTION "postscreen_denylist_action" 3880 #define DEF_PSC_DNLIST_ACTION \ 3881 "${" VAR_PSC_BLIST_ACTION "?{$" VAR_PSC_BLIST_ACTION "}:{" DEF_PSC_BLIST_ACTION "}}" 3882 extern char *var_psc_dnlist_nets; 3883 3884 #define VAR_PSC_CMD_COUNT "postscreen_command_count_limit" 3885 #define DEF_PSC_CMD_COUNT 20 3886 extern int var_psc_cmd_count; 3887 3888 #define VAR_PSC_CMD_TIME "postscreen_command_time_limit" 3889 #define DEF_PSC_CMD_TIME DEF_SMTPD_TMOUT 3890 extern int var_psc_cmd_time; 3891 3892 #define VAR_PSC_WATCHDOG "postscreen_watchdog_timeout" 3893 #define DEF_PSC_WATCHDOG "10s" 3894 extern int var_psc_watchdog; 3895 3896 #define VAR_PSC_EHLO_DIS_WORDS "postscreen_discard_ehlo_keywords" 3897 #define DEF_PSC_EHLO_DIS_WORDS "$" VAR_SMTPD_EHLO_DIS_WORDS 3898 extern char *var_psc_ehlo_dis_words; 3899 3900 #define VAR_PSC_EHLO_DIS_MAPS "postscreen_discard_ehlo_keyword_address_maps" 3901 #define DEF_PSC_EHLO_DIS_MAPS "$" VAR_SMTPD_EHLO_DIS_MAPS 3902 extern char *var_psc_ehlo_dis_maps; 3903 3904 #define VAR_PSC_TLS_LEVEL "postscreen_tls_security_level" 3905 #define DEF_PSC_TLS_LEVEL "$" VAR_SMTPD_TLS_LEVEL 3906 extern char *var_psc_tls_level; 3907 3908 #define VAR_PSC_USE_TLS "postscreen_use_tls" 3909 #define DEF_PSC_USE_TLS "$" VAR_SMTPD_USE_TLS 3910 extern bool var_psc_use_tls; 3911 3912 #define VAR_PSC_ENFORCE_TLS "postscreen_enforce_tls" 3913 #define DEF_PSC_ENFORCE_TLS "$" VAR_SMTPD_ENFORCE_TLS 3914 extern bool var_psc_enforce_tls; 3915 3916 #define VAR_PSC_FORBID_CMDS "postscreen_forbidden_commands" 3917 #define DEF_PSC_FORBID_CMDS "$" VAR_SMTPD_FORBID_CMDS 3918 extern char *var_psc_forbid_cmds; 3919 3920 #define VAR_PSC_HELO_REQUIRED "postscreen_helo_required" 3921 #define DEF_PSC_HELO_REQUIRED "$" VAR_HELO_REQUIRED 3922 extern bool var_psc_helo_required; 3923 3924 #define VAR_PSC_DISABLE_VRFY "postscreen_disable_vrfy_command" 3925 #define DEF_PSC_DISABLE_VRFY "$" VAR_DISABLE_VRFY_CMD 3926 extern bool var_psc_disable_vrfy; 3927 3928 #define VAR_PSC_CCONN_LIMIT "postscreen_client_connection_count_limit" 3929 #define DEF_PSC_CCONN_LIMIT "$" VAR_SMTPD_CCONN_LIMIT 3930 extern int var_psc_cconn_limit; 3931 3932 #define VAR_PSC_REJ_FOOTER "postscreen_reject_footer" 3933 #define DEF_PSC_REJ_FOOTER "$" VAR_SMTPD_REJ_FOOTER 3934 extern char *var_psc_rej_footer; 3935 3936 #define VAR_PSC_REJ_FTR_MAPS "postscreen_reject_footer_maps" 3937 #define DEF_PSC_REJ_FTR_MAPS "$" VAR_SMTPD_REJ_FTR_MAPS 3938 extern char *var_psc_rej_ftr_maps; 3939 3940 #define VAR_PSC_EXP_FILTER "postscreen_expansion_filter" 3941 #define DEF_PSC_EXP_FILTER "$" VAR_SMTPD_EXP_FILTER 3942 extern char *var_psc_exp_filter; 3943 3944 #define VAR_PSC_CMD_FILTER "postscreen_command_filter" 3945 #define DEF_PSC_CMD_FILTER "" 3946 extern char *var_psc_cmd_filter; 3947 3948 #define VAR_PSC_ACL "postscreen_access_list" 3949 #define DEF_PSC_ACL SERVER_ACL_NAME_WL_MYNETWORKS 3950 extern char *var_psc_acl; 3951 3952 #define VAR_PSC_WLIST_IF "postscreen_whitelist_interfaces" 3953 #define DEF_PSC_WLIST_IF "static:all" 3954 3955 #define VAR_PSC_ALLIST_IF "postscreen_allowlist_interfaces" 3956 #define DEF_PSC_ALLIST_IF \ 3957 "${" VAR_PSC_WLIST_IF "?{$" VAR_PSC_WLIST_IF "}:{" DEF_PSC_WLIST_IF "}}" 3958 extern char *var_psc_allist_if; 3959 3960 #define NOPROXY_PROTO_NAME "" 3961 3962 #define VAR_PSC_UPROXY_PROTO "postscreen_upstream_proxy_protocol" 3963 #define DEF_PSC_UPROXY_PROTO NOPROXY_PROTO_NAME 3964 extern char *var_psc_uproxy_proto; 3965 3966 #define VAR_PSC_UPROXY_TMOUT "postscreen_upstream_proxy_timeout" 3967 #define DEF_PSC_UPROXY_TMOUT "5s" 3968 extern int var_psc_uproxy_tmout; 3969 3970 #define VAR_RESPECTFUL_LOGGING "respectful_logging" 3971 #define DEF_RESPECTFUL_LOGGING \ 3972 "${{$compatibility_level} <level {3.6} ?" " {no} : {yes}}" 3973 extern bool var_respectful_logging; 3974 3975 #define VAR_DNSBLOG_SERVICE "dnsblog_service_name" 3976 #define DEF_DNSBLOG_SERVICE MAIL_SERVICE_DNSBLOG 3977 extern char *var_dnsblog_service; 3978 3979 #define VAR_DNSBLOG_DELAY "dnsblog_reply_delay" 3980 #define DEF_DNSBLOG_DELAY "0s" 3981 extern int var_dnsblog_delay; 3982 3983 #define VAR_TLSPROXY_SERVICE "tlsproxy_service_name" 3984 #define DEF_TLSPROXY_SERVICE MAIL_SERVICE_TLSPROXY 3985 extern char *var_tlsproxy_service; 3986 3987 #define VAR_TLSP_WATCHDOG "tlsproxy_watchdog_timeout" 3988 #define DEF_TLSP_WATCHDOG "10s" 3989 extern int var_tlsp_watchdog; 3990 3991 #define VAR_TLSP_TLS_LEVEL "tlsproxy_tls_security_level" 3992 #define DEF_TLSP_TLS_LEVEL "$" VAR_SMTPD_TLS_LEVEL 3993 extern char *var_tlsp_tls_level; 3994 3995 #define VAR_TLSP_USE_TLS "tlsproxy_use_tls" 3996 #define DEF_TLSP_USE_TLS "$" VAR_SMTPD_USE_TLS 3997 extern bool var_tlsp_use_tls; 3998 3999 #define VAR_TLSP_ENFORCE_TLS "tlsproxy_enforce_tls" 4000 #define DEF_TLSP_ENFORCE_TLS "$" VAR_SMTPD_ENFORCE_TLS 4001 extern bool var_tlsp_enforce_tls; 4002 4003 #define VAR_TLSP_TLS_ACERT "tlsproxy_tls_ask_ccert" 4004 #define DEF_TLSP_TLS_ACERT "$" VAR_SMTPD_TLS_ACERT 4005 extern bool var_tlsp_tls_ask_ccert; 4006 4007 #define VAR_TLSP_TLS_RCERT "tlsproxy_tls_req_ccert" 4008 #define DEF_TLSP_TLS_RCERT "$" VAR_SMTPD_TLS_RCERT 4009 extern bool var_tlsp_tls_req_ccert; 4010 4011 #define VAR_TLSP_TLS_ENABLE_RPK "tlsproxy_tls_enable_rpk" 4012 #define DEF_TLSP_TLS_ENABLE_RPK "$" VAR_SMTPD_TLS_ENABLE_RPK 4013 extern bool var_tlsp_tls_enable_rpk; 4014 4015 #define VAR_TLSP_TLS_CCERT_VD "tlsproxy_tls_ccert_verifydepth" 4016 #define DEF_TLSP_TLS_CCERT_VD "$" VAR_SMTPD_TLS_CCERT_VD 4017 extern int var_tlsp_tls_ccert_vd; 4018 4019 #define VAR_TLSP_TLS_CHAIN_FILES "tlsproxy_tls_chain_files" 4020 #define DEF_TLSP_TLS_CHAIN_FILES "$" VAR_SMTPD_TLS_CHAIN_FILES 4021 extern char *var_tlsp_tls_chain_files; 4022 4023 #define VAR_TLSP_TLS_CERT_FILE "tlsproxy_tls_cert_file" 4024 #define DEF_TLSP_TLS_CERT_FILE "$" VAR_SMTPD_TLS_CERT_FILE 4025 extern char *var_tlsp_tls_cert_file; 4026 4027 #define VAR_TLSP_TLS_KEY_FILE "tlsproxy_tls_key_file" 4028 #define DEF_TLSP_TLS_KEY_FILE "$" VAR_SMTPD_TLS_KEY_FILE 4029 extern char *var_tlsp_tls_key_file; 4030 4031 #define VAR_TLSP_TLS_DCERT_FILE "tlsproxy_tls_dcert_file" 4032 #define DEF_TLSP_TLS_DCERT_FILE "$" VAR_SMTPD_TLS_DCERT_FILE 4033 extern char *var_tlsp_tls_dcert_file; 4034 4035 #define VAR_TLSP_TLS_DKEY_FILE "tlsproxy_tls_dkey_file" 4036 #define DEF_TLSP_TLS_DKEY_FILE "$" VAR_SMTPD_TLS_DKEY_FILE 4037 extern char *var_tlsp_tls_dkey_file; 4038 4039 #define VAR_TLSP_TLS_ECCERT_FILE "tlsproxy_tls_eccert_file" 4040 #define DEF_TLSP_TLS_ECCERT_FILE "$" VAR_SMTPD_TLS_ECCERT_FILE 4041 extern char *var_tlsp_tls_eccert_file; 4042 4043 #define VAR_TLSP_TLS_ECKEY_FILE "tlsproxy_tls_eckey_file" 4044 #define DEF_TLSP_TLS_ECKEY_FILE "$" VAR_SMTPD_TLS_ECKEY_FILE 4045 extern char *var_tlsp_tls_eckey_file; 4046 4047 #define DEF_TLSP_TLS_ECKEY_FILE "$" VAR_SMTPD_TLS_ECKEY_FILE 4048 extern char *var_tlsp_tls_eckey_file; 4049 4050 #define VAR_TLSP_TLS_CA_FILE "tlsproxy_tls_CAfile" 4051 #define DEF_TLSP_TLS_CA_FILE "$" VAR_SMTPD_TLS_CA_FILE 4052 extern char *var_tlsp_tls_CAfile; 4053 4054 #define VAR_TLSP_TLS_CA_PATH "tlsproxy_tls_CApath" 4055 #define DEF_TLSP_TLS_CA_PATH "$" VAR_SMTPD_TLS_CA_PATH 4056 extern char *var_tlsp_tls_CApath; 4057 4058 #define VAR_TLSP_TLS_PROTO "tlsproxy_tls_protocols" 4059 #define DEF_TLSP_TLS_PROTO "$" VAR_SMTPD_TLS_PROTO 4060 extern char *var_tlsp_tls_proto; 4061 4062 #define VAR_TLSP_TLS_MAND_PROTO "tlsproxy_tls_mandatory_protocols" 4063 #define DEF_TLSP_TLS_MAND_PROTO "$" VAR_SMTPD_TLS_MAND_PROTO 4064 extern char *var_tlsp_tls_mand_proto; 4065 4066 #define VAR_TLSP_TLS_CIPH "tlsproxy_tls_ciphers" 4067 #define DEF_TLSP_TLS_CIPH "$" VAR_SMTPD_TLS_CIPH 4068 extern char *var_tlsp_tls_ciph; 4069 4070 #define VAR_TLSP_TLS_MAND_CIPH "tlsproxy_tls_mandatory_ciphers" 4071 #define DEF_TLSP_TLS_MAND_CIPH "$" VAR_SMTPD_TLS_MAND_CIPH 4072 extern char *var_tlsp_tls_mand_ciph; 4073 4074 #define VAR_TLSP_TLS_EXCL_CIPH "tlsproxy_tls_exclude_ciphers" 4075 #define DEF_TLSP_TLS_EXCL_CIPH "$" VAR_SMTPD_TLS_EXCL_CIPH 4076 extern char *var_tlsp_tls_excl_ciph; 4077 4078 #define VAR_TLSP_TLS_MAND_EXCL "tlsproxy_tls_mandatory_exclude_ciphers" 4079 #define DEF_TLSP_TLS_MAND_EXCL "$" VAR_SMTPD_TLS_MAND_EXCL 4080 extern char *var_tlsp_tls_mand_excl; 4081 4082 #define VAR_TLSP_TLS_FPT_DGST "tlsproxy_tls_fingerprint_digest" 4083 #define DEF_TLSP_TLS_FPT_DGST "$" VAR_SMTPD_TLS_FPT_DGST 4084 extern char *var_tlsp_tls_fpt_dgst; 4085 4086 #define VAR_TLSP_TLS_512_FILE "tlsproxy_tls_dh512_param_file" 4087 #define DEF_TLSP_TLS_512_FILE "$" VAR_SMTPD_TLS_512_FILE 4088 extern char *var_tlsp_tls_dh512_param_file; 4089 4090 #define VAR_TLSP_TLS_1024_FILE "tlsproxy_tls_dh1024_param_file" 4091 #define DEF_TLSP_TLS_1024_FILE "$" VAR_SMTPD_TLS_1024_FILE 4092 extern char *var_tlsp_tls_dh1024_param_file; 4093 4094 #define VAR_TLSP_TLS_EECDH "tlsproxy_tls_eecdh_grade" 4095 #define DEF_TLSP_TLS_EECDH "$" VAR_SMTPD_TLS_EECDH 4096 extern char *var_tlsp_tls_eecdh; 4097 4098 #define VAR_TLSP_TLS_LOGLEVEL "tlsproxy_tls_loglevel" 4099 #define DEF_TLSP_TLS_LOGLEVEL "$" VAR_SMTPD_TLS_LOGLEVEL 4100 extern char *var_tlsp_tls_loglevel; 4101 4102 #define VAR_TLSP_TLS_RECHEAD "tlsproxy_tls_received_header" 4103 #define DEF_TLSP_TLS_RECHEAD "$" VAR_SMTPD_TLS_RECHEAD 4104 extern bool var_tlsp_tls_received_header; 4105 4106 #define VAR_TLSP_TLS_SET_SESSID "tlsproxy_tls_always_issue_session_ids" 4107 #define DEF_TLSP_TLS_SET_SESSID "$" VAR_SMTPD_TLS_SET_SESSID 4108 extern bool var_tlsp_tls_set_sessid; 4109 4110 /* 4111 * Workaround for tlsproxy(8) pre-jail client certs/keys access. 4112 */ 4113 #define VAR_TLSP_CLNT_LOGLEVEL "tlsproxy_client_loglevel" 4114 #define DEF_TLSP_CLNT_LOGLEVEL "$" VAR_SMTP_TLS_LOGLEVEL 4115 extern char *var_tlsp_clnt_loglevel; 4116 4117 #define VAR_TLSP_CLNT_LOGPARAM "tlsproxy_client_loglevel_parameter" 4118 #define DEF_TLSP_CLNT_LOGPARAM VAR_SMTP_TLS_LOGLEVEL 4119 extern char *var_tlsp_clnt_logparam; 4120 4121 #define VAR_TLSP_CLNT_SCERT_VD "tlsproxy_client_scert_verifydepth" 4122 #define DEF_TLSP_CLNT_SCERT_VD "$" VAR_SMTP_TLS_SCERT_VD 4123 extern int var_tlsp_clnt_scert_vd; 4124 4125 #define VAR_TLSP_CLNT_CHAIN_FILES "tlsproxy_client_chain_files" 4126 #define DEF_TLSP_CLNT_CHAIN_FILES "$" VAR_SMTP_TLS_CHAIN_FILES 4127 extern char *var_tlsp_clnt_chain_files; 4128 4129 #define VAR_TLSP_CLNT_CERT_FILE "tlsproxy_client_cert_file" 4130 #define DEF_TLSP_CLNT_CERT_FILE "$" VAR_SMTP_TLS_CERT_FILE 4131 extern char *var_tlsp_clnt_cert_file; 4132 4133 #define VAR_TLSP_CLNT_KEY_FILE "tlsproxy_client_key_file" 4134 #define DEF_TLSP_CLNT_KEY_FILE "$" VAR_SMTP_TLS_KEY_FILE 4135 extern char *var_tlsp_clnt_key_file; 4136 4137 #define VAR_TLSP_CLNT_DCERT_FILE "tlsproxy_client_dcert_file" 4138 #define DEF_TLSP_CLNT_DCERT_FILE "$" VAR_SMTP_TLS_DCERT_FILE 4139 extern char *var_tlsp_clnt_dcert_file; 4140 4141 #define VAR_TLSP_CLNT_DKEY_FILE "tlsproxy_client_dkey_file" 4142 #define DEF_TLSP_CLNT_DKEY_FILE "$" VAR_SMTP_TLS_DKEY_FILE 4143 extern char *var_tlsp_clnt_dkey_file; 4144 4145 #define VAR_TLSP_CLNT_ECCERT_FILE "tlsproxy_client_eccert_file" 4146 #define DEF_TLSP_CLNT_ECCERT_FILE "$" VAR_SMTP_TLS_ECCERT_FILE 4147 extern char *var_tlsp_clnt_eccert_file; 4148 4149 #define VAR_TLSP_CLNT_ECKEY_FILE "tlsproxy_client_eckey_file" 4150 #define DEF_TLSP_CLNT_ECKEY_FILE "$" VAR_SMTP_TLS_ECKEY_FILE 4151 extern char *var_tlsp_clnt_eckey_file; 4152 4153 #define VAR_TLSP_CLNT_CAFILE "tlsproxy_client_CAfile" 4154 #define DEF_TLSP_CLNT_CAFILE "$" VAR_SMTP_TLS_CA_FILE 4155 extern char *var_tlsp_clnt_CAfile; 4156 4157 #define VAR_TLSP_CLNT_CAPATH "tlsproxy_client_CApath" 4158 #define DEF_TLSP_CLNT_CAPATH "$" VAR_SMTP_TLS_CA_PATH 4159 extern char *var_tlsp_clnt_CApath; 4160 4161 #define VAR_TLSP_CLNT_FPT_DGST "tlsproxy_client_fingerprint_digest" 4162 #define DEF_TLSP_CLNT_FPT_DGST "$" VAR_SMTP_TLS_FPT_DGST 4163 extern char *var_tlsp_clnt_fpt_dgst; 4164 4165 #define VAR_TLSP_CLNT_USE_TLS "tlsproxy_client_use_tls" 4166 #define DEF_TLSP_CLNT_USE_TLS "$" VAR_SMTP_USE_TLS 4167 extern bool var_tlsp_clnt_use_tls; 4168 4169 #define VAR_TLSP_CLNT_ENFORCE_TLS "tlsproxy_client_enforce_tls" 4170 #define DEF_TLSP_CLNT_ENFORCE_TLS "$" VAR_SMTP_ENFORCE_TLS 4171 extern bool var_tlsp_clnt_enforce_tls; 4172 4173 /* Migrate an incorrect name. */ 4174 #define OBS_TLSP_CLNT_LEVEL "tlsproxy_client_level" 4175 #define VAR_TLSP_CLNT_LEVEL "tlsproxy_client_security_level" 4176 #define DEF_TLSP_CLNT_LEVEL "${" OBS_TLSP_CLNT_LEVEL ":$" VAR_SMTP_TLS_LEVEL "}" 4177 extern char *var_tlsp_clnt_level; 4178 4179 #define VAR_TLSP_CLNT_PER_SITE "tlsproxy_client_per_site" 4180 #define DEF_TLSP_CLNT_PER_SITE "$" VAR_SMTP_TLS_PER_SITE 4181 extern char *var_tlsp_clnt_per_site; 4182 4183 /* Migrate an incorrect name. */ 4184 #define OBS_TLSP_CLNT_POLICY "tlsproxy_client_policy" 4185 #define VAR_TLSP_CLNT_POLICY "tlsproxy_client_policy_maps" 4186 #define DEF_TLSP_CLNT_POLICY "${" OBS_TLSP_CLNT_POLICY ":$" VAR_SMTP_TLS_POLICY "}" 4187 extern char *var_tlsp_clnt_policy; 4188 4189 /* 4190 * SMTPD "reject" contact info. 4191 */ 4192 #define VAR_SMTPD_REJ_FOOTER "smtpd_reject_footer" 4193 #define DEF_SMTPD_REJ_FOOTER "" 4194 extern char *var_smtpd_rej_footer; 4195 4196 #define VAR_SMTPD_REJ_FTR_MAPS "smtpd_reject_footer_maps" 4197 #define DEF_SMTPD_REJ_FTR_MAPS "" 4198 extern char *var_smtpd_rej_ftr_maps; 4199 4200 /* 4201 * Per-record time limit support. 4202 */ 4203 #define VAR_SMTPD_REC_DEADLINE "smtpd_per_record_deadline" 4204 #define DEF_SMTPD_REC_DEADLINE "${stress?{yes}:{no}}" 4205 extern bool var_smtpd_rec_deadline; 4206 4207 #define VAR_SMTP_REC_DEADLINE "smtp_per_record_deadline" 4208 #define DEF_SMTP_REC_DEADLINE 0 4209 #define VAR_LMTP_REC_DEADLINE "lmtp_per_record_deadline" 4210 #define DEF_LMTP_REC_DEADLINE 0 4211 extern bool var_smtp_rec_deadline; 4212 4213 #define VAR_SMTPD_REQ_DEADLINE "smtpd_per_request_deadline" 4214 #define DEF_SMTPD_REQ_DEADLINE "${smtpd_per_record_deadline?" \ 4215 "{$smtpd_per_record_deadline}:" \ 4216 "{${stress?{yes}:{no}}}}" 4217 extern bool var_smtpd_req_deadline; 4218 4219 #define VAR_SMTP_REQ_DEADLINE "smtp_per_request_deadline" 4220 #define DEF_SMTP_REQ_DEADLINE "${smtp_per_record_deadline?" \ 4221 "{$smtp_per_record_deadline}:{no}}" 4222 #define VAR_LMTP_REQ_DEADLINE "lmtp_per_request_deadline" 4223 #define DEF_LMTP_REQ_DEADLINE "${lmtp_per_record_deadline?" \ 4224 "{$lmtp_per_record_deadline}:{no}}" 4225 extern bool var_smtp_req_deadline; 4226 4227 #define VAR_SMTPD_MIN_DATA_RATE "smtpd_min_data_rate" 4228 #define DEF_SMTPD_MIN_DATA_RATE 500 4229 extern int var_smtpd_min_data_rate; 4230 4231 #define VAR_SMTP_MIN_DATA_RATE "smtp_min_data_rate" 4232 #define DEF_SMTP_MIN_DATA_RATE 500 4233 #define VAR_LMTP_MIN_DATA_RATE "lmtp_min_data_rate" 4234 #define DEF_LMTP_MIN_DATA_RATE 500 4235 extern int var_smtp_min_data_rate; 4236 4237 /* 4238 * Permit logging. 4239 */ 4240 #define VAR_SMTPD_ACL_PERM_LOG "smtpd_log_access_permit_actions" 4241 #define DEF_SMTPD_ACL_PERM_LOG "" 4242 extern char *var_smtpd_acl_perm_log; 4243 4244 /* 4245 * Before-smtpd proxy support. 4246 */ 4247 #define VAR_SMTPD_UPROXY_PROTO "smtpd_upstream_proxy_protocol" 4248 #define DEF_SMTPD_UPROXY_PROTO "" 4249 extern char *var_smtpd_uproxy_proto; 4250 4251 #define VAR_SMTPD_UPROXY_TMOUT "smtpd_upstream_proxy_timeout" 4252 #define DEF_SMTPD_UPROXY_TMOUT "5s" 4253 extern int var_smtpd_uproxy_tmout; 4254 4255 /* 4256 * Postfix sendmail command compatibility features. 4257 */ 4258 #define SM_FIX_EOL_STRICT "strict" 4259 #define SM_FIX_EOL_NEVER "never" 4260 #define SM_FIX_EOL_ALWAYS "always" 4261 4262 #define VAR_SM_FIX_EOL "sendmail_fix_line_endings" 4263 #define DEF_SM_FIX_EOL SM_FIX_EOL_ALWAYS 4264 extern char *var_sm_fix_eol; 4265 4266 /* 4267 * Gradual degradation, or fatal exit after table open error? 4268 */ 4269 #define VAR_DAEMON_OPEN_FATAL "daemon_table_open_error_is_fatal" 4270 #define DEF_DAEMON_OPEN_FATAL 0 4271 extern bool var_daemon_open_fatal; 4272 4273 /* 4274 * Optional delivery status filter. 4275 */ 4276 #define VAR_DSN_FILTER "default_delivery_status_filter" 4277 #define DEF_DSN_FILTER "" 4278 extern char *var_dsn_filter; 4279 4280 #define VAR_SMTP_DSN_FILTER "smtp_delivery_status_filter" 4281 #define DEF_SMTP_DSN_FILTER "$" VAR_DSN_FILTER 4282 #define VAR_LMTP_DSN_FILTER "lmtp_delivery_status_filter" 4283 #define DEF_LMTP_DSN_FILTER "$" VAR_DSN_FILTER 4284 extern char *var_smtp_dsn_filter; 4285 4286 #define VAR_PIPE_DSN_FILTER "pipe_delivery_status_filter" 4287 #define DEF_PIPE_DSN_FILTER "$" VAR_DSN_FILTER 4288 extern char *var_pipe_dsn_filter; 4289 4290 #define VAR_VIRT_DSN_FILTER "virtual_delivery_status_filter" 4291 #define DEF_VIRT_DSN_FILTER "$" VAR_DSN_FILTER 4292 extern char *var_virt_dsn_filter; 4293 4294 #define VAR_LOCAL_DSN_FILTER "local_delivery_status_filter" 4295 #define DEF_LOCAL_DSN_FILTER "$" VAR_DSN_FILTER 4296 extern char *var_local_dsn_filter; 4297 4298 /* 4299 * Optional DNS reply filter. 4300 */ 4301 #define VAR_SMTP_DNS_RE_FILTER "smtp_dns_reply_filter" 4302 #define DEF_SMTP_DNS_RE_FILTER "" 4303 #define VAR_LMTP_DNS_RE_FILTER "lmtp_dns_reply_filter" 4304 #define DEF_LMTP_DNS_RE_FILTER "" 4305 extern char *var_smtp_dns_re_filter; 4306 4307 #define VAR_SMTPD_DNS_RE_FILTER "smtpd_dns_reply_filter" 4308 #define DEF_SMTPD_DNS_RE_FILTER "" 4309 extern char *var_smtpd_dns_re_filter; 4310 4311 /* 4312 * Backwards compatibility. 4313 */ 4314 #define VAR_SMTPD_FORBID_BARE_LF "smtpd_forbid_bare_newline" 4315 #define DEF_SMTPD_FORBID_BARE_LF "normalize" 4316 4317 #define VAR_SMTPD_FORBID_BARE_LF_EXCL "smtpd_forbid_bare_newline_exclusions" 4318 #define DEF_SMTPD_FORBID_BARE_LF_EXCL "$" VAR_MYNETWORKS 4319 4320 #define VAR_SMTPD_FORBID_BARE_LF_CODE "smtpd_forbid_bare_newline_reject_code" 4321 #define DEF_SMTPD_FORBID_BARE_LF_CODE 550 4322 4323 #define VAR_CLEANUP_MASK_STRAY_CR_LF "cleanup_replace_stray_cr_lf" 4324 #define DEF_CLEANUP_MASK_STRAY_CR_LF 1 4325 extern int var_cleanup_mask_stray_cr_lf; 4326 4327 /* 4328 * Share TLS sessions through tlsproxy(8). 4329 */ 4330 #define VAR_SMTP_TLS_CONN_REUSE "smtp_tls_connection_reuse" 4331 #define DEF_SMTP_TLS_CONN_REUSE 0 4332 #define VAR_LMTP_TLS_CONN_REUSE "lmtp_tls_connection_reuse" 4333 #define DEF_LMTP_TLS_CONN_REUSE 0 4334 extern bool var_smtp_tls_conn_reuse; 4335 4336 /* 4337 * Location of shared-library files. 4338 * 4339 * If the files will be installed into a known directory, such as a directory 4340 * that is processed with the ldconfig(1) command, then the shlib_directory 4341 * parameter may be configured at installation time. 4342 * 4343 * Otherwise, the shlib_directory parameter must be specified at compile time, 4344 * and it cannot be changed afterwards. 4345 */ 4346 #define VAR_SHLIB_DIR "shlib_directory" 4347 #ifndef DEF_SHLIB_DIR 4348 #define DEF_SHLIB_DIR "/usr/lib/postfix" 4349 #endif 4350 extern char *var_shlib_dir; 4351 4352 #define VAR_META_DIR "meta_directory" 4353 #ifndef DEF_META_DIR 4354 #define DEF_META_DIR DEF_DAEMON_DIR 4355 #endif 4356 extern char *var_meta_dir; 4357 4358 /* 4359 * SMTPUTF8 support. 4360 */ 4361 #define VAR_SMTPUTF8_ENABLE "smtputf8_enable" 4362 #ifndef DEF_SMTPUTF8_ENABLE 4363 #define DEF_SMTPUTF8_ENABLE "${{$compatibility_level} <level {1} ? " \ 4364 "{no} : {yes}}" 4365 #endif 4366 extern int var_smtputf8_enable; 4367 4368 #define VAR_STRICT_SMTPUTF8 "strict_smtputf8" 4369 #define DEF_STRICT_SMTPUTF8 0 4370 extern int var_strict_smtputf8; 4371 4372 #define VAR_SMTPUTF8_AUTOCLASS "smtputf8_autodetect_classes" 4373 #define DEF_SMTPUTF8_AUTOCLASS MAIL_SRC_NAME_SENDMAIL ", " \ 4374 MAIL_SRC_NAME_VERIFY 4375 extern char *var_smtputf8_autoclass; 4376 4377 #define VAR_IDNA2003_COMPAT "enable_idna2003_compatibility" 4378 #define DEF_IDNA2003_COMPAT "no" 4379 extern int var_idna2003_compat; 4380 4381 /* 4382 * REQUIRETLS support (RFC 8689). 4383 */ 4384 #define VAR_TLSREQUIRED_ENABLE "tls_required_enable" 4385 #define DEF_TLSREQUIRED_ENABLE "yes" 4386 extern int var_tls_required_enable; 4387 4388 /* 4389 * Workaround for future incompatibility. Our implementation of RFC 2308 4390 * negative reply caching relies on the promise that res_query() and 4391 * res_search() invoke res_send(), which returns the server response in an 4392 * application buffer even if the requested record does not exist. If this 4393 * promise is broken, we have a workaround that is good enough for DNS 4394 * reputation lookups. 4395 */ 4396 #define VAR_DNS_NCACHE_TTL_FIX "dns_ncache_ttl_fix_enable" 4397 #define DEF_DNS_NCACHE_TTL_FIX 0 4398 extern bool var_dns_ncache_ttl_fix; 4399 4400 /* 4401 * Logging. As systems evolve over time, logging becomes more challenging. 4402 */ 4403 #define VAR_MAILLOG_FILE "maillog_file" 4404 #define DEF_MAILLOG_FILE "" 4405 extern char *var_maillog_file; 4406 4407 #define VAR_MAILLOG_FILE_PFXS "maillog_file_prefixes" 4408 #define DEF_MAILLOG_FILE_PFXS "/var, /dev/stdout" 4409 extern char *var_maillog_file_pfxs; 4410 4411 #define VAR_MAILLOG_FILE_COMP "maillog_file_compressor" 4412 #define DEF_MAILLOG_FILE_COMP "gzip" 4413 extern char *var_maillog_file_comp; 4414 4415 #define VAR_MAILLOG_FILE_STAMP "maillog_file_rotate_suffix" 4416 #define DEF_MAILLOG_FILE_STAMP "%Y%m%d-%H%M%S" 4417 extern char *var_maillog_file_stamp; 4418 4419 #define VAR_MAILLOG_FILE_PERMS "maillog_file_permissions" 4420 #define DEF_MAILLOG_FILE_PERMS "0600" 4421 extern char *var_maillog_file_perms; 4422 4423 #define VAR_POSTLOG_SERVICE "postlog_service_name" 4424 #define DEF_POSTLOG_SERVICE MAIL_SERVICE_POSTLOG 4425 extern char *var_postlog_service; 4426 4427 #define VAR_POSTLOGD_WATCHDOG "postlogd_watchdog_timeout" 4428 #define DEF_POSTLOGD_WATCHDOG "10s" 4429 extern int var_postlogd_watchdog; 4430 4431 /* 4432 * Backwards compatibility for internal-form address logging. 4433 */ 4434 #define INFO_LOG_ADDR_FORM_NAME_EXTERNAL "external" 4435 #define INFO_LOG_ADDR_FORM_NAME_INTERNAL "internal" 4436 4437 #define VAR_INFO_LOG_ADDR_FORM "info_log_address_format" 4438 #define DEF_INFO_LOG_ADDR_FORM INFO_LOG_ADDR_FORM_NAME_EXTERNAL 4439 extern char *var_info_log_addr_form; 4440 4441 /* 4442 * DNSSEC probing, to find out if DNSSEC validation is available. 4443 */ 4444 #define VAR_DNSSEC_PROBE "dnssec_probe" 4445 #define DEF_DNSSEC_PROBE "ns:." 4446 extern char *var_dnssec_probe; 4447 4448 /* 4449 * Pre-empt services(5) lookups. 4450 */ 4451 #define VAR_KNOWN_TCP_PORTS "known_tcp_ports" 4452 #define DEF_KNOWN_TCP_PORTS \ 4453 "lmtp=24, smtp=25, smtps=submissions=465, submission=587" 4454 extern char *var_known_tcp_ports; 4455 4456 /* 4457 * SRV lookup support. 4458 */ 4459 #define VAR_USE_SRV_LOOKUP "use_srv_lookup" 4460 #define DEF_USE_SRV_LOOKUP "" 4461 extern char *var_use_srv_lookup; 4462 4463 #define VAR_IGN_SRV_LOOKUP_ERR "ignore_srv_lookup_error" 4464 #define DEF_IGN_SRV_LOOKUP_ERR 0 4465 extern bool var_ign_srv_lookup_err; 4466 4467 #define VAR_ALLOW_SRV_FALLBACK "allow_srv_lookup_fallback" 4468 #define DEF_ALLOW_SRV_FALLBACK 0 4469 extern bool var_allow_srv_fallback; 4470 4471 /* 4472 * TLSRPT notification support. The lmtp_ names must be defined because the 4473 * build system enforces that every smtp_ parameter has an lmtp_ variant. 4474 */ 4475 #define VAR_SMTP_TLSRPT_ENABLE "smtp_tlsrpt_enable" 4476 #define DEF_SMTP_TLSRPT_ENABLE "no" 4477 #define VAR_LMTP_TLSRPT_ENABLE "lmtp_tlsrpt_enable" 4478 #define DEF_LMTP_TLSRPT_ENABLE DEF_SMTP_TLSRPT_ENABLE 4479 extern bool var_smtp_tlsrpt_enable; 4480 4481 #define VAR_SMTP_TLSRPT_SOCKNAME "smtp_tlsrpt_socket_name" 4482 #define DEF_SMTP_TLSRPT_SOCKNAME "" 4483 #define VAR_LMTP_TLSRPT_SOCKNAME "lmtp_tlsrpt_socket_name" 4484 #define DEF_LMTP_TLSRPT_SOCKNAME DEF_SMTP_TLSRPT_SOCKNAME 4485 extern char *var_smtp_tlsrpt_sockname; 4486 4487 #define VAR_SMTP_TLSRPT_SKIP_REUSED_HS "smtp_tlsrpt_skip_reused_handshakes" 4488 #define DEF_SMTP_TLSRPT_SKIP_REUSED_HS "yes" 4489 #define VAR_LMTP_TLSRPT_SKIP_REUSED_HS "lmtp_tlsrpt_skip_reused_handshakes" 4490 #define DEF_LMTP_TLSRPT_SKIP_REUSED_HS DEF_SMTP_TLSRPT_SKIP_REUSED_HS 4491 extern int var_smtp_tlsrpt_skip_reused_hs; 4492 4493 /* 4494 * RFC 2047 encoding of full name info. 4495 */ 4496 #define VAR_FULL_NAME_ENCODING_CHARSET "full_name_encoding_charset" 4497 #define DEF_FULL_NAME_ENCODING_CHARSET "utf-8" 4498 extern char *var_full_name_encoding_charset; 4499 4500 /* 4501 * Limit for the sockmap reply size 4502 */ 4503 #define VAR_SOCKMAP_MAX_REPLY "socketmap_max_reply_size" 4504 #define DEF_SOCKMAP_MAX_REPLY 100000 /* reply size limit */ 4505 extern int var_sockmap_max_reply; 4506 4507 /* 4508 * Client privacy. 4509 */ 4510 #define VAR_SMTPD_HIDE_CLIENT_SESSION "smtpd_hide_client_session" 4511 #define DEF_SMTPD_HIDE_CLIENT_SESSION "no" 4512 extern int var_smtpd_hide_client_session; 4513 4514 /* LICENSE 4515 /* .ad 4516 /* .fi 4517 /* The Secure Mailer license must be distributed with this software. 4518 /* AUTHOR(S) 4519 /* Wietse Venema 4520 /* IBM T.J. Watson Research 4521 /* P.O. Box 704 4522 /* Yorktown Heights, NY 10598, USA 4523 /* 4524 /* Wietse Venema 4525 /* Google, Inc. 4526 /* 111 8th Avenue 4527 /* New York, NY 10011, USA 4528 /* 4529 /* Wietse Venema 4530 /* porcupine.org 4531 /*--*/ 4532 4533 #endif 4534