alias_database = dbm:/etc/aliases alias_maps = dbm:/etc/aliases local_recipient_maps = $alias_maps unix:passwd.byname mail_owner = postfix command_directory = /opt/postfix daemon_directory = /opt/postfix queue_directory = /var/spool/postfix notify_classes = resource, software debug_peer_level = 2 mydestination = $myhostname, localhost.$mydomain, $mydomain, mail.$mydomain, www.$mydomain, ftp.$mydomain mydomain = boran.com myhostname = host20.boran.com mynetworks = 176.17.17.0/24, 127.0.0.1/8 myorigin = $mydomain masquerade_domains = $mydomain masquerade_exceptions = root message_size_limit = 5120000 ignore_mx_lookup_error = yes allow_untrusted_routing = no header_checks = regexp:/etc/postfix/header_checks relocated_maps = dbm:/etc/postfix/relocated maps_rbl_domains = blackholes.mail-abuse.org smtpd_client_restrictions = permit_mynetworks, reject_maps_rbl reject_unknown_client smtpd_recipient_restrictions = permit_mynetworks, check_relay_domains smtpd_sender_restrictions = permit_mynetworks, reject_invalid_hostname reject_unknown_sender_domain reject_non_fqdn_sender reject_maps_rbl