Hi Guys, I’ve got a domain where i’ve the main hosting for the domain somewhere else (not controlled by me) and then the some users hosted locally. What i’m having issues with is getting the mail from my server to send upstream if it can’t find a user locally. What i’ve got so far: alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases append_dot_mydomain = no biff = no config_directory = /etc/postfix inet_interfaces = all mailbox_size_limit = 0 message_size_limit = 256000000 milter_connect_macros = j {daemon_name} v {if_name} _ milter_default_action = accept mydestination = frodo.iama.geek.nz <http://frodo.iama.geek.nz/>, localhost myhostname = frodo.iama.geek.nz <http://frodo.iama.geek.nz/> mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 myorigin = /etc/mailname non_smtpd_milters = $smtpd_milters readme_directory = no recipient_delimiter = + relayhost = smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu) smtpd_milters = unix:/spamass/spamass.sock unix:/clamav/clamav-milter.ctl smtpd_recipient_restrictions = permit_sasl_authenticated, permit_mynetworks, reject_unauth_destination, reject_unverified_recipient smtpd_sasl_auth_enable = yes smtpd_sasl_path = private/auth smtpd_sasl_type = dovecot smtpd_tls_cert_file = /etc/ssl/self-sign-star.iama.geek.nz.crt smtpd_tls_key_file = /etc/ssl/self-sign-star.iama.geek.nz.key smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache smtpd_use_tls = yes tls_random_source = dev:/dev/urandom transport_maps = proxy:mysql:/etc/postfix/mysql-virtual-transport-maps.cf virtual_alias_maps = mysql:/etc/postfix/mysql-virtual-alias-maps.cf virtual_mailbox_domains = mysql:/etc/postfix/mysql-virtual-mailbox-domains.cf virtual_mailbox_maps = mysql:/etc/postfix/mysql-virtual-mailbox-maps.cf virtual_transport = lmtp:unix:private/dovecot-lmtp With the following in my virtual transport table +----+--------------------+------------------------------------+ | id | source | destination | +----+--------------------+------------------------------------+ | 1 | example.com | smtp:[aspmx.l.google.com <http://aspmx.l.google.com/>] | | 2 | .example.com | smtp:[aspmx.l.google.com <http://aspmx.l.google.com/>] | | 3 | fraser@example.com | lmtp:unix:private/dovecot-lmtp | +----+--------------------+------------------------------------+ What I get when i try and email an email on the upstream server is Recipient address rejected: User unknown in virtual mailbox table Does anyone have any ideas on how to resolve this? It doesn’t seem to matter if I have virtual_transport set or not and do it all manually. Cheers, Fraser