> http://zeitlin.homeunix.com/cgi-bin/mbugs/show_bug.cgi?id=891

> Maintaining our own spam filters is a waste of time, they're not good enough.

Agreed.

> Either we should rely on external (ISP-based for example) spam filters or we
> should integrate an existing spam detection library. One possible condidate is
> http://www.nuclearelephant.com/projects/dspam/

I spend some time in anti-spam circles and I have never heard of anyone using it. I 
also notice that a prerequisite for using it is a unix based mail server. This would 
suggest it is going to be a server based solution rather than a client based one (or 
is that what you intended)?

The site appears to me (at first glance) to be full of buzz words but somewhat short 
on substance.

> If you know of others, please add them here.

[EMAIL PROTECTED] PERL
[EMAIL PROTECTED] Python

Both can be used as is or further integrated into mail packages. Both inherently 
platform independant. 

I have used Popfile for years and can attest to it's efficacy. 99.85%+ success is very 
achievable. It uses the Train on Error system so you only classify messages it got 
wrong reducing corpus size and reducing corpus poisoning attempts by spammers et al. 
It is also aimed at being a text classification system more than just a spam detector 
and with very little work could replace most of the filtering capabilities found in 
Mahogany at present. 

It can also be very successfully trained to sort out the spam and the ham from a 
particular address. Case in point, I am on the wxPython mailing list. It is often 
spammed, gets those "unsubscribe" messages in-list, gets malware type messages, gets 
on-vacation annoucements from list users, bounced messages, "I found a virus" messages 
from anti-virus scanners etc yet I do not see those because I have trained it to 
discriminate them in multiple languages too!

Granted this takes a little more work on my part - I would say I need to show it 1-2 
examples of what I do not want to see and after that it is nearly error free. At 
present, since my last stats reset, I have had 5/2457 errors (since April 2). 

At present, it's admin is done via a local http proxy but if we could integrate that 
within Mahogany, I think it would be a winner. 

I have not used Spambayes but have heard of good experiences with it. 

HTH

Dr. QA



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