[Emailcore] Re: [Last-Call] draft-ietf-emailcore-as-28 ietf last call Secdir review

Pete Resnick <resnick@episteme.net> Fri, 08 May 2026 16:24 UTC

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From: Pete Resnick <resnick@episteme.net>
To: Rob Sayre <sayrer@gmail.com>
Date: Fri, 08 May 2026 11:24:26 -0500
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CC: "Martin J. Dürst" <duerst@it.aoyama.ac.jp>, emailcore@ietf.org
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Subject: [Emailcore] Re: [Last-Call] draft-ietf-emailcore-as-28 ietf last call Secdir review
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On 7 May 2026, at 19:12, Rob Sayre wrote:

> On Thu, May 7, 2026 at 4:19 PM Martin J. Dürst 
> <duerst@it.aoyama.ac.jp>
> wrote:
>
>> Hello Rob, others,
>>
>> On 2026-05-08 06:19, Rob Sayre wrote:
>>
>>> Because you don't understand that the large ones will want to accept
>>> cleartext email while narrower installations will not.
>>
>> There is an important word missing here: *some* narrower 
>> installations
>> will not want to accept clear text. But even with that word added, we
>> don't know how many. If you have any actual data, please provide it.
>
> Oh, I don't know. But this one is in RFC 9945.
>
> https://www.rfc-editor.org/rfc/rfc9945.html#appendix-B

A single request for data does not for sealioning make.

And there's no need to publicly on the list try to police the behavior 
of others. Talk to the chairs offlist if you think there's a problem.

> The question is whether it's compliant to ship a TLS-only one.

But is the question really about "compliance"? Again, there are no 
Internet Protocol Police. These are voluntary standards. Why should 
anyone care about compliance? If you want to ship a TLS-only one, have 
fun. The document is just saying that doing so will not be 
interoperable.

pr
-- 
Pete Resnick https://www.episteme.net/
All connections to the world are tenuous at best