[rt-users] Advice for spam filtering

[Joseph Spenner]

--- Pete Phillips <pete at smtl.co.uk> wrote:

> Hi
> 
> I run postfix on a black-box mailserver (i.e., no
> user login accounts,
> just postfix/imap accounts). All mail is filtered by
> spamassassin.
> 
> I have a public email address for enquiries to our
> lab which goes into
> an RT queue. Because it's public, it gets spammed.
> :-)
> 
> I'm looking for a method whereby I can redirect
> mails coming into the RT
> queues which have been tagged by SA as spam either
> to a specific RT
> queue or to an imap mailbox.
> 
> I'd prefer a solution which doesn't require a user
> account or procmail
> (because I assume, perhaps wrongly, that you need a
> login account to run
> procmail).
> 
> Advice and help appreciated. Deleting up to 50 spam
> emails after being
> blitzed  on the RT queue is no longer fun :-(
> 
> I have the RT book on order (should come by end of
> week), so feel free
> to point me at that if it has some solutions.
> 
> Many thanks,
> Pete Phillips
> Surgical Materials Testing Lab.

I wrote a perl spam filter a while ago which is
multi-purpose.  Basically, it sits between sendmail
and RT.  In the /etc/alises, rather than pointing at
the RT queue, mail goes through my filter.  If certain
keywords are matched, the email is dropped (or
redirected to another queue-- why not?).  If no match,
it goes into the usual queue.
So, I'm sure SA adds some tags which my filter could
key off of, and redirect accordingly.

If you'd like a copy, let me know.


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