David Cottle a écrit : > > I found the issue. It's backscatter mail to real recipient addresses. At > first I was getting non existent as well but stopped those. >
Something (a spam filter?) after postfix returns says: "Invalid destination status" You MUST not reject mail after it was accepted by postfix, exceptionally when the message is spam. > I have to employ header and body checks. > > Okay my question is I have multiple domains not just one like in the > code example 'porcupine' given. > > How do I code that? > you are the source of backscatter, not the victim. so you can't block these bounces with a single postfix. - configure your spam filter to deliver or quarantine or discard... but not to reject spam. - reject inbound mail that helo's as "localhost". use check_helo_access for that. google or read the Bok of Postfix for more infos. ... etc. > Do I need to string a ton load of domain names or can you use a wildcard > to match any domain? > > If I could trouble for a snip of code I can apply it and let you know. > It's a live server and I don't want to experiment code when I am not > sure how to write it. > > Thanks again!