[81450] in North American Network Operators' Group
Re: Micorsoft's Sender ID Authentication......?
daemon@ATHENA.MIT.EDU (Valdis.Kletnieks@vt.edu)
Fri Jun 10 11:30:46 2005
To: Matt Ghali <matt@snark.net>
Cc: Stephen Sprunk <stephen@sprunk.org>,
North American Noise and Off-topic Gripes <nanog@merit.edu>
In-Reply-To: Your message of "Thu, 09 Jun 2005 17:40:55 PDT."
<Pine.GSO.4.61.0506091734310.27161@pants.snark.net>
From: Valdis.Kletnieks@vt.edu
Date: Fri, 10 Jun 2005 11:30:04 -0400
Errors-To: owner-nanog@merit.edu
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On Thu, 09 Jun 2005 17:40:55 PDT, Matt Ghali said:
> So you see, the reputation has nothing to do with your mom, and
> everything to do with the controlling entity, her ISP. Which makes
> the whole address-based sender reputation scheme almost workable, if
> you ignore the scaling issues.
That's suspiciously close to "Ralph Nader or Ross Perot could have been elected
President, if you ignore the scaling issues". :)
Other than that, what Matt said is correct - the problem is that legitimate
mail can come from literally millions of places whose reputation we have no
clue on....
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