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bayesian learning

Printed From: LogSat Software
Category: Spam Filter ISP
Forum Name: Spam Filter ISP Support
Forum Description: General support for Spam Filter ISP
URL: https://www.logsat.com/spamfilter/forums/forum_posts.asp?TID=6077
Printed Date: 08 December 2025 at 3:52am


Topic: bayesian learning
Posted By: tckoay
Subject: bayesian learning
Date Posted: 19 May 2007 at 11:04am
How to improve bayensian learning? If we set like honeypot, MX entry checking, RBL etc filtering as quarantine the email. Do it help to increase the bayensian learning?

  Thank you


Replies:
Posted By: LogSat
Date Posted: 19 May 2007 at 2:49pm
The Bayesian filter "learns" about spam by seeing what the other filters do. The more accurate the other filters are, the more accurate the bayesian filter becomes.
Usually the other filters, like our SFDB database, MX tests, SPF, RBL etc will provide excellent results. Also important during the training period is to go thru the quarantined emails, and to force the delivery of valid emails that were incorrectly blocked. This will also tell SpamFilter what emails were blocked by mistake, allowing it to self-adapt.

Please note that Bayesian filter were very effective a few years ago, but nowdays spammers have learned to fool them more easily, rendering them less effective.


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Roberto Franceschetti

http://www.logsat.com" rel="nofollow - LogSat Software

http://www.logsat.com/sfi-spam-filter.asp" rel="nofollow - Spam Filter ISP

Posted By: tckoay
Date Posted: 24 May 2007 at 10:52am

Roberto,

 Thanks for the explanation. Can I confirm if i using RBL, SFDB without quarantine the email. While Bayesian able to learn it? Or must quarantine then only Bayesian will learn it?

 Thanks.

 

Posted By: LogSat
Date Posted: 24 May 2007 at 7:22pm
We confirm. The Bayesian filter will learn even if you're not quarantining the emails.

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Roberto Franceschetti

http://www.logsat.com" rel="nofollow - LogSat Software

http://www.logsat.com/sfi-spam-filter.asp" rel="nofollow - Spam Filter ISP


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