North American Network Operators Group
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Re: Fun new policy at AOL

  • From: Miquel van Smoorenburg
  • Date: Fri Aug 29 15:00:27 2003
  • Distribution: cistron
  • Newsgroups: lists.nanog
In article <[email protected]>,
Iljitsch van Beijnum  <[email protected]> wrote:
>But how about this: in addition to MX hosts, every domain also has one 
>or more MO (mail originator) hosts. Mail servers then get to check the 
>address of the SMTP server they're talking to against the DNS records 
>for the domain in the sender's address. Then customers who use an email 
>address under their ISP's domain have to use the ISP's relay, while 
>people with their own (sub) domain get to use their own.

Google for "RMX DNS". There's a few other proposals too; see
for example http://spf.pobox.com/

Mike.
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RAND USR 16514