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From Karsten Br├Ąckelmann <guent...@rudersport.de>
Subject Re: Hundreds of spam from same email
Date Sun, 24 Jul 2011 21:16:48 GMT
Please keep list threads on-list. Even such "thanks, solved" follow-ups
are worthwhile. :)

On Wed, 2011-07-20 at 07:23 -0500, Taylor, Jonn wrote:
> On 07/19/2011 10:04 PM, Karsten Br├Ąckelmann wrote:
[...]
> > Catching those (or at least scoring them severely higher) should be
> > easy. All your samples have a lot in common. Among that is
> >
> > * Their Return-Path :addr (the envelope from) is /^asterisk\@/ in all
> >   cases.
> > * The X-Mailer header always matches a spurious / \[version \]/.
[...]

> > Score each of the above moderately, like say 1.0, and score a meta rule
> > matching all three additionally. Almost certain to generate no FPs.

> Thank you for the reply. The latest ones are scoring at 4.9, so I should
> be able to make some slight adjustments to get these to score higher.

Definitely, even scored very moderately, each of the opportunities for a
short rule should single-handedly push the spam over the threshold.


-- 
char *t="\10pse\0r\0dtu\0.@ghno\x4e\xc8\x79\xf4\xab\x51\x8a\x10\xf4\xf4\xc4";
main(){ char h,m=h=*t++,*x=t+2*h,c,i,l=*x,s=0; for (i=0;i<l;i++){ i%8? c<<=1:
(c=*++x); c&128 && (s+=h); if (!(h>>=1)||!t[s+h]){ putchar(t[s]);h=m;s=0;
}}}


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