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

Rob Sayre <sayrer@gmail.com> Tue, 28 April 2026 20:14 UTC

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From: Rob Sayre <sayrer@gmail.com>
Date: Tue, 28 Apr 2026 13:14:10 -0700
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To: Eliot Lear <lear@lear.ch>
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CC: Eric Rescorla <ekr@rtfm.com>, Barry Leiba <barryleiba@gmail.com>, Shivan Sahib <shivankaulsahib@gmail.com>, secdir@ietf.org, draft-ietf-emailcore-as.all@ietf.org, emailcore@ietf.org, last-call@ietf.org
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Subject: [Emailcore] Re: [Last-Call] Re: draft-ietf-emailcore-as-28 ietf last call Secdir review
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On Tue, Apr 28, 2026 at 1:08 PM Eliot Lear <lear@lear.ch> wrote:

>
> On 28.04.2026 22:05, Eric Rescorla wrote:
>
> I agree. They decide to do so by configuring their email servers
> appropriately and by deploying software that permits them to configure it
> how they want to.
>
> Then what's the problem?  The text essentially supports that point.
>

But they can pick an implementation that supports clear text if they want.
That's fine, and there are plenty of them.

STARTTLS already lets operators refuse to fall back to clear text if they
want. From the perspective of a peer, which is what we care about, these
are not distinguishable.

thanks,
Rob

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