> Do you have a AV scanner or some other after queue content filter? If > yes postfix is maybe telling you that the message has been transfered > to this next hop. IMHO you should ditch DSN because no one is > using/allowing it anyway, so trying to get it right is a fruitless > effort.
Hello and thanks for reply :-) Yep: I've spamc and now that I think, the replied mail is: The mail system <test@test-domain>: delivery via spamassassin: delivered via spamassassin service It's correct for postfix (because has delivered message to spamassassin). thanks Pol