eWeek Rates Mozilla's Bayesian Spam Filtering

Wednesday October 29th, 2003

Yacoubean writes: "eWeek reviewed spam filtering with various tools, including Mozilla 1.5 and Outlook 2003. Their test showed that Bayesian filtering (used in Mozilla) is more effective at fending off spam. Outlook 2003 and other products use the whitelist/blacklist approach, along with proprietary technology. The eWeek tests showed that these techniques flagged a lot of false positives, while Mozilla rarely flagged legitimate email. eWeek also points out, on the down side, that Bayesian filtering requires a lot of initial work from the user to train the filter, however 'the investment can pay off.'"

#1 is it working in the long run?

by an_mo

Thursday October 30th, 2003 9:26 AM

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Somehow the filter performance has diminished in the last few months. I adopted it as soon as it came out and early on it looked quite promising but recently I keep getting false negatives (i.e. spam that thunderbird thinks it's not spam). Some of it is that spammers are getting s mar ter. But I can't help noticing a somewhat poor performance. Also, time lag from download to display looks like it's increasing, and I wonder if it's the filter taking more and more time to do its job.