> >
> > On Thu, 22 Mar 2007 09:55:07 -0700, Marc Perkel <[EMAIL PROTECTED]>
> > wrote:
> > > Maybe I'm doing something wrong but with the various methods of
> > > bayes poisoning going on I've found that bayes is just lowering
> > > the score
> > of
> > > spam and causing more spam to get through. Where bayes used to be
> > > the centerpiece of spam filtering now I have turned it off to
> > > increase accuracy.
> > >
> > > Anyone else seeing this or is there some new tricks that I'm
> > > missing
> > out
> > > on?
I use a 3 tier system to minimize the effect of poisining the Bayes
tables.
First we do checking against a few databases for known spammer addresses,
then check the message for obvious spam (claiming to come from our server,
honeypot addresses, words in subjects, high SA score with no Bayes scoring)
and then we do the Bayes scoring.
