thorsten napsal(a): > sorry. here they are. > >>> transport_maps = mysql:/etc/postfix/sql/transport > > # cat transport > user = vmail > password = <hidden> > dbname = vmail > table = domains > select_field = transport > where_field = domain > hosts = localhost > >>> virtual_mailbox_maps = mysql:/etc/postfix/sql/vmailbox > > # cat vmailbox > user = vmail > password = <hidden> > dbname = vmail > table = passwd > select_field = maildir > where_field = id > hosts = localhost Well, I do not understand it now. domain.tld has: mx 20 some_server2 mx 10 some_server1 If we are talking about postfix configuration on backup server - some_server1, it has to forward messages to some_server1, so postmap -q domain.tld mysql:/etc/postfix/sql/transport must return smtp:some_server1 or smtp:[some_server1_ip_address]. David