>Is it possible to reject if the sender domain's MX record equals an illegal >value?
sure, SAV does this, reject_unverified_sender. Since postfix SAV can't get a connection to the bad MX IP, the incoming msg is rejected with 4xx. Len
>Is it possible to reject if the sender domain's MX record equals an illegal >value?
sure, SAV does this, reject_unverified_sender. Since postfix SAV can't get a connection to the bad MX IP, the incoming msg is rejected with 4xx. Len