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Re: Registration model, 2821bis-06

2008-04-02 05:06:12

On Apr 2, 2008, at 7:11 AM, Arnt Gulbrandsen wrote:
- if there is no MX record and no A, but there is an AAAA, then
  the sending host MAY synthesise an MX

I think this verbiage is (IMHO) horrible. It makes an "AAAA-only" mail server completely unreliable, as you can never know for certain if a sending host will choose to talk to you or not.

That ambiguity-of-behavior is a bad idea (again, IMHO).


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