Robert Schetterer schrieb: > Hi @ll, > i have a relay for exchange > which is configured with reject_sender_login_mismatch > with accounts allowed to send out for configured domains > at last a infected host generated a faked sender > which was rejected with not owned by user > unfourtunally the bounce goes to the faked sender then > this is the nature of backscatter > any idea how to stop bounce in that case > > i thought of something like ( not the right syntax here only as > principal example) > > discard "Sender address rejected: not owned by user*" > mails in /etc/postfix/header_checks > > any better idea?
i ve tested it with an entry in body_checks and it works, thread closed -- Best Regards MfG Robert Schetterer Germany/Munich/Bavaria