andrew long sfajhsdgmailcom dns check domain get failure mtx smtpd greeting mail server host name greeting hostdomaincom claims invalid hostname 220 however telnet 25 inside lan get correct banner verified behavior wan greeting wrong also telnet outside postfix recognizing ehlo helo sends right banner alias_maps hashetcaliases broken_sasl_auth_clients yes command_directory usrsbin config_directory etcpostfix daemon_directory usrlibexecpostfix debug_peer_level 2 home_mailbox maildir html_directory inet_interfaces mail_owner postfix mailbox_command procmail extension defaulthomemaildir maildirhomemaildir mailq_path usrbinmailqpostfix manpage_directory usrshareman mydestination etcpostfixlocalhostnames myhostname hostdomaintld mynetworks 1270008 newaliases_path usrbinnewaliasespostfix queue_directory varspoolpostfix readme_directory usrsharedocpostfix233readme_files sample_directory usrsharedocpostfix233samples sendmail_path usrsbinsendmailpostfix setgid_group postdrop smtp_tls_note_starttls_offer yes smtp_use_tls yes smtpd_banner myhostname esmtp mail_name smtpd_recipient_restrictions reject_non_fqdn_recipient reject_unknown_recipient_domain permit_sasl_authenticated permit_mynetworks check_recipient_access hashetcpostfixroleaccount_exceptions reject_unauth_destination reject_rbl_client blspamcopnet reject smtpd_sasl_auth_enable yes smtpd_sasl_local_domain smtpd_sasl_security_options noanonymous smtpd_tls_cafile etcpostfixsslcacertpem smtpd_tls_auth_only smtpd_tls_cert_file etcpostfixsslsmtpdcrt smtpd_tls_key_file etcpostfixsslsmtpdkey smtpd_tls_loglevel 1 smtpd_tls_received_header yes smtpd_tls_session_cache_timeout 3600s smtpd_use_tls yes tls_random_source devdevurandom unknown_local_recipient_reject_code 550 thank andrew thu 07 aug 2008 222257 0500 smtpd greeting