I have used Mozilla Thunderbird as my email client for two years now. While I absolutely love using TBird, I have noticed more spam getting through than before. I realized I hadn't updated any of the junk mail settings since version 1.0.x, so I decided to rebuild the settings and see how it works. The following steps work for Thunderbird v1.5.
- Tools->Junk Mail Controls…
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Check the "Trust mail headers sent by…" and set to "SpamAssassin". My primary mail ISP uses SpamAssassin and the headers are a great guide. (However, I have read reports of bogus SA headers possibly added by spammers.)
- Click "Adaptive Filter" tab and click "Reset Training Data". This lets us start training from scratch.
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- Tools->Options…->Advanced
- Click "Config Editor…" and type "junk" in the Filter window.
- Change the "mail.adaptivefilters.junk_threshold" value from 90 to something less. I have mine set to 50 and I'll let you know how well that works.
See also:
Other Thunderbird mail handling tips are appreciated.
