Keith Devens .com - Weblog: Switching spam filters

Friday, August 22, 2003

Switching spam filters

POPFile worked well for a while but it doesn't seem to be able to stay much above 99% accuracy. Worst of all, however, is that it often chokes on messages containing attachments or non-ascii text such as Chinese, and I have to go into my account settings to make it bypass POPFile, then switch it back once I retrieve the offending message.

So I decided to try something else out. My first choice would be SpamBayes, but there's no installer, so I took the path of least resistance and I'm trying out Robin Keir's K9, which did have an excellent installer and seems to be well written. I'll probably report back on how well it works.

Permalink | 1 Comment | id 4204

22:42 (utc-4)

Comments

Jay wrote:

spamweed is a good spam filter. It uses bayesian filter, but it does not have problems that POPFiles have.

I have been using it since its very early release. According to the author, they used a number of technologies to overcome shortages of the bayesian algorithms (basically 2: a. difficulty in managing database expansion; b. easily affected by spammer's tricks, which worsen (a)). SpamWeed is a very fast learner because it feeds all the results of other technologies to its bayesian engine, sort of like SpamAssassin's new bayesian attempt. It reaches nearly 100% accuracy after using about one-two weeks.

have a look: http://www.spamweed.com

∴ Jay | 4-Oct-2004 7:55am est | #5782

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