On Mon, Oct 30, 2023 at 02:36:33PM +0100, Szymon Malinowski via Postfix-users wrote: > You see the point? We got stuck in a loop of sending DMARC reports which are > beeing bounced because of unknown user. > Is there any way to prevent such situations?
Don't send failure reports, ever. At least without DSN=NONE, with a non-empty sender or with spam filter on those addresses. See https://datatracker.ietf.org/doc/html/rfc5965#section-5 for more information. Bastian -- But Captain -- the engines can't take this much longer! _______________________________________________ Postfix-users mailing list -- postfix-users@postfix.org To unsubscribe send an email to postfix-users-le...@postfix.org