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Re: [Asrg] 6. Proposals - AMTP (rev 01) - MPC

2003-10-03 00:40:38
At 08:27 PM 10/2/2003, Brad Knowles wrote:
Over 50% of the ccTLD nameservers are open public caching/recursive nameservers and vulnerable to cache pollution/poisoning.
[[snip]]

I recognize that there is a problem with DNS that has potential for abuse, but I seriously question whether the mail transfer protocol is the appropriate place to deal with it.

Is this problem, by itself, justification for the additional overhead of X.509 authentication for the *receiving* MTA as a requirement in the mail transfer protocol? I tend to think it's a problem that should be dealt with in DNS.

--Bill


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