Graham's spam filter

David LeBlanc whisper at oz.net
Thu Sep 5 23:52:56 CEST 2002


<snip>
> Spammers are hitting upon the strategy, though, of sending emails in
> which the body consists of nothing but a completely encoded base64 MIME
> part.  So in that case, the entire body of your message would consist
> solely of your "base64encoded" token.  So in the general case of any
> kind of spam filter (not just limited to a Graham filter), it's
> questionable how useful this will be, unless you plant to always filter
> against that token, presuming it to always indicate spam.

Ummm... In which case, the headers would probably control the sort. IIRC,
Graham said that headers had a large impact on spam/ham determination. Spam
header information is already so marked in the filter table of course.

> --
>  Erik Max Francis / max at alcyone.com / http://www.alcyone.com/max/
>  __ San Jose, CA, US / 37 20 N 121 53 W / ICQ16063900 / &tSftDotIotE
> /  \ There is nothing so subject to the inconstancy of fortune as war.
> \__/ Miguel de Cervantes
>     Church / http://www.alcyone.com/pyos/church/
>  A lambda calculus explorer in Python.

Dave LeBlanc
Seattle, WA USA





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