text_combined: alexey lobanov wzctiyyscrorctru hello one postfix installations works firewall relay msexchange forwards mail existing users exchange denies mail nonexistent users cached reject_unverified_recipient everything works fine without virtual_alias_maps relay_recipient_maps exported exchange need catch mail recipients exist anymore exchange forward mail individual destinations rest work afair feature called fqdnaliases zmailer possible zmailer intercept redirect messages specified fullyqualified domain address matter domain local destination possible postfix know solution configure virtual_alias_maps destination domain combined ldap lookups microsoft ad local file possibly solution best one alexey thu 07 aug 2008 170714 0300 fqdn aliases