queue_directory = /var/spool/postfix command_directory = /usr/sbin daemon_directory = /usr/lib/postfix mail_owner = postfix debug_peer_level = 2 debugger_command = PATH=/usr/bin:/usr/X11R6/bin xxgdb $daemon_directory/$process_name $process_id & sleep 5 sendmail_path = /usr/sbin/sendmail newaliases_path = /usr/sbin/sendmail mailq_path = /usr/bin/mailq setgid_group = maildrop manpage_directory = /usr/share/man sample_directory = /usr/share/doc/packages/postfix/samples readme_directory = /usr/share/doc/packages/postfix/README_FILES mail_spool_directory = /var/mail canonical_maps = hash:/etc/postfix/canonical relocated_maps = hash:/etc/postfix/relocated transport_maps = hash:/etc/postfix/transport sender_canonical_maps = hash:/etc/postfix/sender_canonical masquerade_exceptions = root masquerade_classes = envelope_sender, header_sender, header_recipient, envelope_recipient myhostname = server.mydomain.com inet_interfaces = all masquerade_domains = mydestination = $myhostname, localhost.$mydomain mynetworks = 192.168.1.0/24, 192.168.2.0/24, 127.0.0.0/8 defer_transports = disable_dns_lookups = yes relayhost = mailgw.mydomain.com content_filter = mailbox_command = mailbox_transport = lmtp:unix:public/lmtp smtpd_sender_restrictions = hash:/etc/postfix/access smtpd_client_restrictions = smtpd_helo_required = no smtpd_helo_restrictions = strict_rfc821_envelopes = no smtpd_recipient_restrictions = permit_mynetworks,check_relay_domains alias_maps = hash:/etc/aliases # LDAP settings virtual_maps = ldap:ldapgroups, ldap:ldapalias ldapgroups_server_host = localhost ldapgroups_server_port = 389 ldapgroups_search_base = ou=Groups,dc=mydomain,dc=com ldapgroups_bind = no ldapgroups_timeout = 30 ldapgroups_query_filter = (&(mail=%s)(objectclass=mailGroup)) ldapgroups_special_result_attribute = member ldapalias_server_host = localhost ldapalias_server_port = 389 ldapalias_search_base = ou=Users,dc=mydomain,dc=com ldapalias_bind = no ldapalias_timeout = 30 ldapalias_query_filter = (&(mail=%s)(objectclass=mailUser)) ldapalias_result_attribute = maildrop transport_maps = ldap:ldaptransport ldaptransport_server_host = localhost ldaptransport_server_port = 389 ldaptransport_search_base = ou=Transport,dc=mydomain,dc=com ldaptransport_bind = no ldaptransport_timeout = 30 ldaptransport_query_filter = (&(cn=%s)(!(cn=server.mydomain.com))(objectclass=transportTable)) ########################################### ^ CHANGE THIS TO FQDN OF YOUR MAIL SERVER (myhostname) ldaptransport_result_attribute = transport