Lots of spam gets through because of BAYES_00 -2.60
Alex Broens
ms-list at alexb.ch
Tue Sep 11 21:19:04 IST 2007
On 9/11/2007 7:42 PM, Chris W. Parker wrote:
> Hello,
>
> I've got (at least) one user who has a strange spam problem. They
> receive a lot spam all day long but it's usually the same three to four
> types. It's either about a "JC Penney order confirmation #nnnnnn"
> (false), a "for dummies" book ads, or "airline flight reservation
> confirmation" (false of course).
>
> In almost all emails she receives there is BAYES_00 -2.60 in the spam
> score. I guess this means that the bayes database is really confident
> they're not spam. But too bad it's wrong! So this usually ends up
> putting the email below the threshold for possible spam (4.5).
>
> What action should I take to remedy this? Is there a way to train the
> bayes database for these messages? Or feed the bayes database some
> strings (like the ones above) so that it scores them more accurately?
>
> Another option I though of is to make my own SA rules to offset the
> incorrect bayes score but I don't really like that option because it
> requires me to maintain a list of fixes for the bayes test "mistakes".
>
>
are you autolearning to Bayes?
if yes, are you rejecting so much spam that BAyes doesn't get a chance
to get enough crud to learn?
if not, what are you doing to "teach" it?
do you realize that Bayes is just a few extra points in a sum of rules?
Alex
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