Re: [ietf-smtp] smtp improvement?

John C Klensin <john-ietf@jck.com> Tue, 15 September 2020 03:27 UTC

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Date: Mon, 14 Sep 2020 23:26:59 -0400
From: John C Klensin <john-ietf@jck.com>
To: Brandon Long <blong@google.com>
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Subject: Re: [ietf-smtp] smtp improvement?
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--On Monday, September 14, 2020 17:38 -0700 Brandon Long
<blong@google.com> wrote:

> Yes, I should point out that at Google, we do multiplex
> multiple connections between a proxy frontend and our actual
> smtp servers, but we don't do it at the command level, but at
> the stream level, which is a much simpler mechanism for
> integration and utility across different protocols (we do this
> with imap, pop, xmpp, and probably others, on top of the
> various types of HTTP).
>...

I would be mildly astonished if you were doing anything else.
It raises some questions that I periodically worry about but
none of them are specific to SMTP or even email more generally.

best,
   john