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Ahhh... you mean *that* kind of funny...
When I saw your title I was hoping for a chuckle.
Sorry, I can't think of any rule to vix those. I'd be interested in one
because I've received some of those too.
Here is a thought: We could test for n consecutive consonants. The more
consecutive consotants, the more likely it is to be spam.
body MY_CONSONANT_4 /[^aeiou]{4}/
describe MY_CONSONANT_4 Body contains 4 consecutive consonants.
score MY_CONSONANT_4 0.15
Like wise we can go on with more consonants:
score MY_CONSONANT_4 0.15
score MY_CONSONANT_5 0.30
score MY_CONSONANT_6 0.60
score MY_CONSONANT_7 1.20
score MY_CONSONANT_8 2.40
Remember, thesee are adding up, so if an email has 8 consecutive
consonants, it will receive an score of 2*2.4 - 0.15 == 4.65
Your sample below has up to 11 consecutive consonants.
Any thoughts on these rules? I guess I'm assuming that you don't get
emails in German.
Cheers,
Daniel.
On Fri, Jul 25, 2003 at 11:25:55AM +0200, Andrea Riela wrote:
> Hi folks,
>
> I receive a lot of spam (html or text only) that has at the end a funny
> expression, always different, like this:
>
> acxfic z fvddx n th r j eghqyxun hlchd rpk zgrxlkd
> bqnkstszzwyoyh heljsi
> r
>
> Could I filter this spam? And if yes, how? Advices?
> Thanks for all
> Best Regards
> Andrea Riela
>
>
>
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Mathematics Dept. | 6643 8C8B 3522 66CB D16C D779 2FDD 7DAC 9AF7 7A88
UMD, College Park | http://www.math.umd.edu/~dcarrera/pgp.html
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