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Re: [Emailcore] Ticket #5: G.5. Remove or deprecate the work-around from code 552 to 452?

John C Klensin <john-ietf@jck.com> Mon, 29 March 2021 01:54 UTC

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Date: Sun, 28 Mar 2021 21:53:49 -0400
From: John C Klensin <john-ietf@jck.com>
To: Alexey Melnikov <aamelnikov@fastmail.fm>, emailcore@ietf.org
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Subject: Re: [Emailcore] Ticket #5: G.5. Remove or deprecate the work-around from code 552 to 452?
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--On Sunday, 28 March, 2021 14:02 +0100 Alexey Melnikov
<aamelnikov@fastmail.fm> wrote:

> Hi John,
> 
> Trying to concentrate on the specific text about treating 552
> in response to RCPT TO as 452: based on feedback from Victor
> and Jeremy (and I can confirm that Isode's MTA is doing the
> same), I don't believe implementations are actually 552 in
> response to RCPT TO as 452. So I think the SHOULD requirement
> should be removed, with possibly some note in the document
> that this has changed. Do you agree?

Yes.  But, again, up to the WG.

best,
  john

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