The Grumpy Editor's guide to bayesian spam filters
Posted Feb 23, 2006 4:10 UTC (Thu) by FraserCampbell
In reply to: The Grumpy Editor's guide to bayesian spam filters
Parent article: The Grumpy Editor's guide to bayesian spam filters
Greylisting is fantastic. I enabled greylisting on February 6th, since enablement I have averaged 2.88 spams per day. Prior to enablement I had averaged 121 pieces of spam per day (just looked at month of January).
So I get a 98% reduction in my spam and a pittance coming through, I don't have to hunt through a spam folder to see if things were missed and all my normal mails and mailing list traffic is totally unimpacted (I'm using postgrey's default of 30 day storage for ip/from/rcpt triplet).
I never liked the solutions that filter mail to folders (or /dev/null) because there are inevitably mistakes ... at least I always found mistakes (false positives). I don't recall all the different filters I've tried over the years but bogofilter was one of them. Perhaps things have improved but with greylisting so incredibly effective at this point I'll leave it to others to worry abou the spam problem.
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