Justin Cook wrote:
Actually, better question: is it possible to bounce messages with too many hits?
First, I'm assuming that by "bounce" you mean "reject" -- because generating a bounce message to a sender that is more than likely forged is a Bad Idea(TM).
Not directly with SpamAssassin -- all it does is assign the score. You can get this behavior if you do the scanning during the SMTP transaction, but the logic has to be in the program that calls SpamAssassin.
If you're using Sendmail, there are a number of "milters" (mail filters) you can use, such as MIMEDefang, Amavisd-new, etc. These programs get run by Sendmail while it's receiving the message, and you can set the milter to check the resulting SpamAssassin score and decide whether to reject the message, let it through unchanged, or let it through marked as spam.
Mailscanner is another program I've heard mentioned frequently, and I know there are programs that will work with Postfix and other mail servers that will do the same kind of thing.
We've used MIMEDefang <www.mimedefang.org> quite successfully for several years, and I'd definitely recommend it.
-- Kelson Vibber SpeedGate Communications <www.speed.net>
