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[Asrg] 3b. SMTP Session Verification - Marking MTAs in rDNS - MTA MARK

2004-02-09 16:28:28
MTA MARK draft has been posted to the ID archive:

http://www.ietf.org/internet-drafts/draft-stumpf-dns-mtamark-00.txt

Abstract:
"  In contrast to other more extensive approaches to deal with
   unsolicited email, commonly called "spam", this memo discusses a very
   simple authentication scheme. It uses marking of hosts in reverse DNS
   (in-addr.arpa zone) to allow the receiving mail transfer agents to
   decide whether the connecting (sending) host is a designated mail
   transfer agent (MTA) or not.

   Despite being a weaker scheme than most of the other proposals
   currently discussed, it can reduce the amount of spam and viruses/
   worms significantly and has the advantage that it can be implemented
   based on existing and well-established Internet technology like DNS
   without any changes to that technology.
"

Yakov
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Yakov Shafranovich / asrg <at> shaftek.org
SolidMatrix Technologies, Inc. / research <at> solidmatrix.com
"Among all our enemies / The ones to be most feared are often the smallest" (Jean de la Fontaine)
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