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Re: [anti-spam-wg@localhost] it could be sooo easy - Solution to Spam


\maex>     8.0.30.195.in-addr.arpa IN PTR mail.space.net.
\maex>         IN TXT "MTA=yes;
; DC> I would like to say that I really like the idea as suggested by Markus. DC> To show that I really like it I will donate some money(Not so much since DC> I am very small ISP) if somebody starts working on this idea to make a DC> RFC or other official document. Dominique, something more or less close is already in the works. Here are three approaches using the DNS to document outbound mail servers for a domain: Jim Miller / Paul Vixie http://ops.ietf.org/lists/namedroppers/namedroppers.2002/msg00658.html uses MX RRs with priority 0. You might want to have a look at these drafts: Gordon Fecyk "Designated Mailers Protocol" (DMP): http://www.ietf.org/internet-drafts/draft-fecyk-dsprotocol-02.txt (Home: http://www.pan-am.ca/draft-fecyk-dsprotocol-02.txt ) uses TXT RRs and various atttribute/value combos, much like \maex. Hadmut Danisch "DNS RMX RR" http://www.ietf.org/internet-drafts/draft-danisch-dns-rr-smtp-02.txt (Home: http://www.danisch.de/work/security/antispam.html and http://www.mikerubel.org/computers/rmx_records/ with an excellent description incl. diagrams.) Martin Neitzel

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