On fre 02 okt 2009 10:34:55 CEST, Igor Bogomazov wrote
And the appropriate mail header seems to be correct: Received: from prefix.domain.mail (unknown [12.12.12.12]) What's the matter?
unknown reverse dns is postfix answer for not found reverse dns, so host was in the test you did wrong
host 12.12.12.12 gives unknown dig unknown gives 12.12.12.12 ? prefix.domain.mail is the helo header -- xpoint
