On Sun, 8 Dec 2002, Justin Mason wrote:

> 
> Patrick Bores said:
> 
> > I have noticed that most of the NS records for these spammers are the 
> > same or similar. Would it be too expensive to do a quick lookup of NS 
> > records to block these guys?
> 
> no, I don't think so -- it sounds like a very interesting technique...
> there's a lot of these spamhauses around.
> 
> anyone care to code up a patch?

I have a feeling this is one of those wack-a-mole solutions.  While is
sounds like lots of fun (! :) ) I feel it might be better to rely on other
means for scoring this spam.  Namely the DNSBLs that specifically look for
spamhauses like HSM or Razor2.  I just don't see any other feasible
solution for this kind of spam.  I could always be wrong though.  Are
there any other characteristics to look at?

Justin



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