Re: [OT] Tom's/Marc's spam filters?

Joe Conway wrote:
> I get a comparible amount of spam (~600 to 1000 per day) and my setup
> *was* about 98% effective until a month or so ago. These days it is more
> like 80%. I've noticed many of the spam getting through appears
> specifically targeted at getting by SA -- no HTML, a paragraph of
> nonsense (or sometimes out of some public domain book), and a one liner
> trying to sell me a mortgage or something.
>
> The one thing I had *not* been doing, but started to do as of last
> night, is to use the false-negatives to explicitly train the Bayesian
> filter.  It was easy enough to set up. I created an hourly cron job as
> follows:
>
>    /usr/bin/sa-learn --mbox --spam /path/to/false-neg.mbox
>
> Now I just drop all false negatives into that mailbox, and clean them
> out periodically. Hopefully that will make a significant improvement.

I can tell you it certainly will.

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