On 5/10/2005 12:31, Martin Blapp wrote:
> We use a specific ruleset against those 'ASCII artists', the
>
> rawbody __SMALL_FONT /font-size:[\s\t
> ]{1,3}(?:1|2)(?:px|pt|;)/i
Looks quite good :)
> We also look for different gaps between chars
I'm interested if things like source code might trigger some of these
unnecessarily? Also the amount of processing time might be worrisome?
> http://antispam.imp.ch/rules/asciispam.cf
>
> Maybe it is useful for you.
Definitely gives me some interesting ideas in other areas. In particular,
the unusual char combinations seem quite useful (maybe it's high time to
find a statistical analysis on an english dictionary). :) Interestingly
enough I don't really get any ascii art spams here but a lot of your
techniques look promising. I guess every site has their own most common
"types" of ham and spam so the ability to customize is really important.
Cheers,
~Jason
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