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Re: Last Call: draft-klensin-rfc2821bis

Dave Crocker <dhc2@dcrocker.net> Wed, 26 March 2008 20:56 UTC

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Date: Wed, 26 Mar 2008 13:53:55 -0700
From: Dave Crocker <dhc2@dcrocker.net>
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Subject: Re: Last Call: draft-klensin-rfc2821bis
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Tony Hain wrote:
> This document is not the place to fight spam.

right.


>  Until all the implementations remove
> fall-back to A, the correct behavior is to also fall-back to AAAA. People
> (particularly the apps dev & support communities) are having a hard enough
> time getting their heads around even thinking about IPv6 that making your
> proposed procedural change is insane. Whatever reasons people have for not
> implementing MX will not change just because they are deploying IPv6. 


I keep trying to understand why the SMTP use of AAAA records should be any 
different than its use of A records.  Haven't heard a solid explanation, 
nevermind seen consensus forming around it.

d/


-- 

   Dave Crocker
   Brandenburg InternetWorking
   bbiw.net
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