At 01:15 AM 7/13/2003 -0400, Walter Dnes wrote:
.....
Let's get back to basics to see why RMX has been proposed. Trojaned
machines have been used to originate spam. The RMX proposal seeks to
set up lists of which machines can tramsit for which domains. This
misses the point of the problem. It's not the authorized MTAs we have
problems with, it's the trojaned home machines, that have no business
whatsoever connecting to port 25 (except to their own ISP) on behalf of
*ANY* domain whatsoever.
So much for criticism; what do I propose as an improvement ?
My proposal is for a NO_XMIT record in DNS. It effectively stands the
RMX proposal on its head. It would signify IP addresses that have no
business connecting to external MTAs. This would be very similar in
function to MAPS DUL(TM) and other lists of dynamic IP addresses.
......
Where in the DNS system would this data be stored?
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