text_combined: chantal rosmuller hvqzadwantennanl tuesday 26 february 2008 154807 brian evans wrote chantal rosmuller wrote thank domain relay domain recommended choice use relay_recipient_maps yes relay domain use relay_recipient_maps need make mapping file example relay_recipient_maps mysqlconfig_directorymysql_recipient_mapscf question put file query 2 tables users aliases possible possible depends table structures allow source address best method querying two tables either join subquery union method depends setup something like user user password secret dbname postfix hosts maildb query select username mailbox union select address alias username unfortunately working turn debugging see exactly happening cant find anything useful logfiles fri 08 aug 2008 033533 0100 refuse mail nonexisting addresses relay_recipient_maps reject_unlisted_recipient something else