chantal rosmuller hvqzadwantennanl hi list configuring spam filtering gateway server want server accept email existing users aliases injecting mail amavis found two different solutions im sure one best 1 use relay_recipient_maps problem using different mysql tables aliases en users im sure configure 2 use smtpd_recipient_restrictions reject_unlisted_recipient understood correctly means postfix check user alias table add virtual_mailbox_maps virtual_alias_maps work anyone tell method best easy configure better performance etc maybe something easier missing thank fri 08 aug 2008 023135 0100 refuse mail nonexisting addresses relay_recipient_maps reject_unlisted_recipient something else