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Re: [ietf-smtp] Endless debate on IP literals

"John R Levine" <johnl@taugh.com> Wed, 01 January 2020 01:28 UTC

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Date: Tue, 31 Dec 2019 20:28:55 -0500
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From: John R Levine <johnl@taugh.com>
To: John C Klensin <john-ietf@jck.com>
Cc: ietf-smtp@ietf.org
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Subject: Re: [ietf-smtp] Endless debate on IP literals
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On Tue, 31 Dec 2019, John C Klensin wrote:
> Noting that the logic above is the same, anyone want to make a
> case that people have had circa 27 years to adapt to EHLO (i.e.,
> since RFC 1425 was published), that a number of important and
> heavily-used features (such a the 8BITMIME extension) are
> dependent on it as are other options that people in many part of
> the world consider important (e.g., SMTPUTF8), and it is
> therefore time to just deprecate HELO.

With a clearer split between SMTP and submission, that seems sensible. 
Submission can excuse all sorts of antique stuff that SMTP wouldn't.

Regards,
John Levine, johnl@taugh.com, Taughannock Networks, Trumansburg NY
Please consider the environment before reading this e-mail. https://jl.ly

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