[69333] in North American Network Operators' Group
Re: Anti-Spam Router -- opinions?
daemon@ATHENA.MIT.EDU (Matthew Crocker)
Tue Apr 6 13:15:08 2004
In-Reply-To: <200404061637.i36GbTVs016171@turing-police.cc.vt.edu>
Cc: Michael.Dillon@radianz.com, nanog@merit.edu,
Joe Abley <jabley@isc.org>
From: Matthew Crocker <matthew@crocker.com>
Date: Tue, 6 Apr 2004 13:14:31 -0400
To: Valdis.Kletnieks@vt.edu
Errors-To: owner-nanog-outgoing@merit.edu
>
> If you rate-limit 2 million compromised machines to 20 msgs/day each,
> there's only 400 million spams. Total.
>
IF you can rate-limit them across the whole Internet, If you limit 2
million machines to 20 msgs/day per mail server you are back up to your
10 Billion msgs/day mark. This is where DCC or other distributed
checksum systems come into play.
-Matt
