nanog mailing list archives

Re: Barracuda Networks Spam Firewall


From: Steven Champeon <schampeo () hesketh com>
Date: Wed, 19 May 2004 18:18:59 -0400


on Wed, May 19, 2004 at 03:12:29PM -0700, James Couzens wrote:
On Tue, 2004-05-18 at 21:49, Eric A. Hall wrote:

There's one rule that will wipe out ~90% of spam, but nobody seems to have
written it yet.

  if URL IP addr is in China then score=100
         ^^^^^^^^^^^^^^^^^^^^^^^
 
I beg to differ Eric A. Hall.  

<snip>

According to Spamhaus, 200 known Spam Operations are responsible for 90%
of your spam.  Of the list currently available on their site, 142 of the
known spammers are from a little country called THE UNITED STATES.

That may be, and is probably quite true - but as Eric said, a majority
of the /sites/ advertised in spam use China-based ISPs.

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