Re: Last Call: <draft-ietf-uta-smtp-require-tls-07.txt> (SMTP Require TLS Option) to Proposed Standard

Jim Fenton <fenton@bluepopcorn.net> Sun, 27 January 2019 05:18 UTC

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Subject: Re: Last Call: <draft-ietf-uta-smtp-require-tls-07.txt> (SMTP Require TLS Option) to Proposed Standard
To: Russ Housley <housley@vigilsec.com>, IETF <ietf@ietf.org>
Cc: uta@ietf.org, Alexey Melnikov <alexey.melnikov@isode.com>, uta-chairs@ietf.org, Valery Smyslov <valery@smyslov.net>, draft-ietf-uta-smtp-require-tls@ietf.org
References: <154842843614.29150.7231551831323471834.idtracker@ietfa.amsl.com> <709173DB-8B5E-47C7-8781-F699F9F01048@vigilsec.com>
From: Jim Fenton <fenton@bluepopcorn.net>
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Date: Sat, 26 Jan 2019 21:18:07 -0800
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Hi Russ,

On 1/26/19 7:27 AM, Russ Housley wrote:
> I have no problem with the protocol itself, but I do not understand how this specification can not have a reference to TLS.

It does have at least a couple of indirect references to TLS, through
STARTTLS (RFC 3207) and BCP 195. An informative reference to TLS could
be added, but I'm not sure it adds much -- this is operating at a level
of abstraction above that.

-Jim