Diego Ledesma:
> Hello.
> Our mail server (running postfix 2.3.8, 15+ users) is reciving more and more
> spam every week. Right now we are reciving almost 10K spam messages per day
> (last week it was 5K), most of them are send to two accounts which,
> unfortunately for now, cannot be deleted.
If this mail is logged as "from=<>" then you don't have a spam
problem, but rather, a backscatter problem.
> Our postifix configuration does not have any restrictions, i mean no message
> is rejected and amavis is configured to only add a spam tag to the subject.
> I was considering on enabling rbl restrictions.
> My question is, as messages in rbl lists are rejected (is this right??),
> wouldn't this make me a source of backscatter?.
Backscatter would happen only of there is some other machine between
your Postfix and the internet.
Wietse
