[Spambayes] One potential problem with this filter apporach

[Tim Stone - Four Stones Expressions]

4/29/2003 5:09:15 PM, "John Clegg" <cleggj at attglobal.net> wrote:

>Hi
>
>I am really impressed with this implementation of a spam filter. Like
>everyone else I (and my company) have been plagued by spam.

Thanks from the whole team.

> I was thinking
>about the way the spambayes works, and I think I have thought of a way
>spammers could get around it. A devious spammer could use images as instead
>of text. So the email would just contain an HTML table. It's something you
>guys should think about how your filter will operate on these types of
>emails.

Actually, our tests include this type of mail.  Our results indicate that 
email with a single url for a graphic image becomes an extremely strong 
indicator of spam very quickly.  The fact that you see very little of this 
kind of spam presently indicates that spammers realize this, and are busily 
trying to find other more clever ways around bayesian filter technologies.

>
>FYI: I am former CTO of Baazee.com from India and I have designed email
>delivery systems for the company.
>
>Keep up the good work.
>
>Regards
>
>John Clegg
>Tech Consultant
>
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c'est moi - TimS
http://www.fourstonesExpressions.com
http://wecanstopspam.org

There are 10 kinds of people in the world:
  those who understand binary,
  and those who don't.