Re: [ietf-smtp] G.7.3 --- resolvable FQDNs

Dave Crocker <dhc@dcrocker.net> Fri, 07 August 2020 23:58 UTC

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To: Michael Richardson <mcr+ietf@sandelman.ca>, ietf-smtp@ietf.org
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From: Dave Crocker <dhc@dcrocker.net>
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Subject: Re: [ietf-smtp] G.7.3 --- resolvable FQDNs
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On 8/7/2020 4:44 PM, Michael Richardson wrote:
> The explicit discussion was that in some non-Internet contexts, the domain
> name is not from the DNS.  The discussion was that this (the citing of the
> DNS specification, if you like, but actually there is more to it than that),
> should go into an applicability statement.
> 
> I disagree: it should go into the base specification as a thing that software
> should support.  The applicability statement should say "turn it on" when on
> the Internet.


It's not clear to me what the 'turn it on' refers to.

It's also not clear why a localized operational choice that deviates 
from established Internet practice should be baked into the core 
specification.

d/

-- 
Dave Crocker
Brandenburg InternetWorking
bbiw.net