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From "Chris Means" <cme...@intfar.com>
Subject RE: SPAM filter based on Bayesian principals
Date Tue, 17 Sep 2002 05:28:20 GMT

I have some bug fixes and improvements...

However, I've not received any feed back/comments on my first upload.

Is this something that this list is interested in?  I don't want to waste my
time and your bandwidth uploading stuff no one cares about.

I would like at least a couple of people to beta test this, and verify my
documentation etc., feedback is important.

If you're interested, please let me know.



> -----Original Message-----
> From: Chris Means [mailto:cmeans@intfar.com]
> Sent: Thursday, September 12, 2002 11:41 PM
> To: james-dev@jakarta.apache.org
> Subject: SPAM filter based on Bayesian principals
> Hi,
> I've finally finished my first pass at a set of SPAM "blocking" routines,
> based on Paul Grahams' "A Plan for Spam" which can be found at
> http://www.paulgraham.com/spam.html.
> Included is a mailet for setting a message header based upon whether the
> message appears to be spam or not.  (Just a simple Yes or No for now.)
> A mailet to feed ham/spam to the "corpus" by sending the message to a
> specific email address (one for spam, one for ham).
> The core classes that can be used outside of James to perform bulk updates
> of the corpus, or for use with other systems.
> I've (hopefully) attached all the source necessary (no it doesn't have the
> official formatting, and I've not put in all the nice documentation, but
> it's a start) to try it out on your own system.
> This version is built with MySQL in mind as the backend, however, it's
> designed to easily allow for a different mechanism for persisting the
> statistics.  Let me know if you need help implementing this...
> Note, this hasn't been put under much of a load for testing (consider it
> Alpha code), and there's probably a big bottle-neck in the
> JDBCBayesianAnalysisFeeder mailet as it immediately updates the
> SQL backend
> with new statistics...which may not be a good idea...
> See the readme.txt in the ZIP for a bit more info...
> Please let me know if you try this out, and what problems (if any) you run
> into...especially if you find any bugs <g> as I may have translated the
> Bayesian routines incorrectly.
> This was designed and developed against James v2.0a3, and JDK 1.3.
> I'll let this sit for a while and provide updates once I get some
> feedback.
> Thanks.
> -Chris

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