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Re: [Emailcore] Two extra issues

John Levine <johnl@taugh.com> Thu, 17 December 2020 20:54 UTC

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From: John Levine <johnl@taugh.com>
To: emailcore@ietf.org
Cc: john-ietf@jck.com
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Subject: Re: [Emailcore] Two extra issues
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In article <9ABCA62E3E54C4356D09E1EE@PSB> you write:
>Hi.
>
>As mentioned in my note about ticket #2 sent about an hour ago,
>two additional issues came to my attention (or I was reminded
>about them) while looking at that issue and looking through the
>document.  
>
>I've put them into the working version of what will become
>draft-ietf-emailcore-rfc5321bis-01 as:
>
>       ----
>
> G.12.  Extension Keywords Starting in 'X-'

Kill them.

> G.13.  Deprecating HELO

>   discussion on the EMAILCORE list, should EHLO be explicitly bound to
>   SMTP over TCP with the older transports allowed only with HELO?

I am pretty sure that all of the other transports described in RFC 821
are dead, or close enough (X.25, where it says to run TCP over it.)

Is anyone here aware of running SMTP over anything else, and if so
using HELO rather than EHLO? I'm not.

R's,
John

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