[Techtalk] Spam filtering Mailman..

Kathryn Hogg kjh at flyballdogs.com
Fri Sep 16 23:42:33 EST 2005

agoats said:
> Is there a way to do spam filtering before mailman?
> We're using Mailman 2.1.6 and I'm being inundated with reports of posts
> by non-members, bounces etc for all manner of junk. Half my e-mails at
> home are these bounces by spam.
> I've let it run for a few days without clearing out the non-member posts
> and I've found that the reported sender(s) send to almost every list
> (they don't send to all of them) and do so multiple times. Each poster
> will send several different spam types: porn, find a date, casinos,
> drugs, 75% off Microsoft and BSA products...

I use MailScanner (http://mailscanner.info) to filter mail as it comes in
on the SMTP port.  It sits as front end to sendmail/postfix/etc.  I simply
toss high scoring spam and then procmail eats some other things before
giving it to my mailling list software (i use ecartis instead of mailman)


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