I need to relay for a domain by default but deliver for specific users locally (Dovecot). I have done this before by adding the domain to virtual_mailbox_domains and adding to the transport map in the following manner:
da...@kosmosisland.com : kosmosisland.com smtp: This relays by default but delivers to locally (Courier in this case) for da...@kosmosisland.com. The same does not work on another server, however. The config follows: # postconf -n alias_database = hash:/etc/aliases alias_maps = append_dot_mydomain = no biff = no broken_sasl_auth_clients = yes canonical_maps = hash:/etc/postfix/canonical config_directory = /etc/postfix content_filter = smtp-amavis:[127.0.0.1]:10024 disable_vrfy_command = yes inet_interfaces = all inet_protocols = ipv4 local_recipient_maps = mailbox_size_limit = 0 mydestination = myhostname = vmail.sutinen.com mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 65.105.240.234 173.8.212.217 68.66.148.24 myorigin = /etc/mailname readme_directory = no recipient_delimiter = + relay_domains = sutinen.com relayhost = smtp_tls_cert_file = /etc/ssl/certs/vmail_sutinen_com.crt smtp_tls_key_file = /etc/ssl/private/vmail_sutinen_com.key smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU) smtpd_helo_required = yes smtpd_recipient_restrictions = permit_mynetworks permit_sasl_authenticated reject_unauth_destination smtpd_sasl_auth_enable = yes smtpd_sasl_path = private/auth smtpd_sasl_security_options = noanonymous smtpd_sasl_type = dovecot smtpd_sender_restrictions = permit_mynetworks permit_sasl_authenticated reject_non_fqdn_sender reject_unknown_sender_domain reject_rbl_client b.barracudacentral.org reject_rbl_client zen.spamhaus.org reject_rbl_client cbl.abuseat.org reject_rbl_client bl.spamcop.net smtpd_tls_cert_file = /etc/ssl/certs/vmail_sutinen_com.crt smtpd_tls_key_file = /etc/ssl/private/vmail_sutinen_com.key smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache smtpd_use_tls = yes transport_maps = hash:/etc/postfix/transport virtual_alias_maps = proxy:mysql:/etc/postfix/mysql_virtual_alias_maps.cf proxy:mysql:/etc/postfix/mysql_virtual_user_singleton_maps.cf hash:/etc/postfix/virtual virtual_gid_maps = static:5000 virtual_mailbox_domains = proxy:mysql:/etc/postfix/mysql_virtual_mailbox_domains.cf virtual_mailbox_maps = proxy:mysql:/etc/postfix/mysql_virtual_mailbox_maps.cf virtual_transport = dovecot virtual_uid_maps = static:5000 Regards, David Koski da...@kosmosisland.com