Rich Wales: > > Why do you believe that your server is an open relay, as in, it > > will forward messages FROM spammers TO remote destinations. > > Wietse > > Because it *is* accepting messages from outsiders (spammers) and is > using my server to relay those messages to remote destinations. It was > (and still is) my understanding that such messages should be rejected by > Postfix during the SMTP dialogue, with an error to the client saying > relay access is denied -- though I assume I inadvertently either failed > to enable this check or have somehow broken it.
Show evidence (logging) and turn of verbose logging. Wietse