1APPENDDEF(`conf_sendmail_ENVDEF', `-DSTARTTLS -DTLS_EC=2') 2APPENDDEF(`conf_sendmail_ENVDEF', `-D_FFR_TLS_ALTNAMES') 3APPENDDEF(`conf_sendmail_ENVDEF', `-D_FFR_VRFY_TRUSTED_FIRST') 4APPENDDEF(`conf_sendmail_LIBS', `-lssl -lcrypto') 5