> -----Original Message-----
> From: last-call <last-call-boun...@ietf.org> On Behalf Of John C Klensin
> Sent: Monday, August 22, 2022 10:27 PM
> To: Gould, James <jgo...@verisign.com>; beld...@gmail.com;
> p...@paftech.se; jgould=40verisign....@dmarc.ietf.org
> Cc: a...@ietf.org; draft-ietf-regext-epp-eai....@ietf.org; last-c...@ietf.org;
> reg...@ietf.org; i18n...@ietf.org; gen-art@ietf.org
> Subject: [EXTERNAL] Re: [Last-Call] last call reviews of 
> draft-ietf-regext-epp-
> eai-12 (and -15)
>
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> --On Monday, August 22, 2022 16:01 +0000 "Gould, James"
> <jgo...@verisign.com> wrote:
>
> > John,
> >
> > How about if we change the approach to use the well-understood
> > command-response extension?
>
> If things were changed to create an extension type that is defined in RFC 5730
> rather than creating a new type, that would certainly eliminate the need to
> update 5730 (or explain clearly why that was not necessary).
>
> That, of course, leaves the more substantive SMTPUTF8 issues, particularly the
> need for a slot for an alternate all-ASCII address.

[SAH] A thought: the traditional command-response extension would preserve the 
ability to provision an all-ASCII address using the data structures defined in 
RFC 5733.  A contact <create> command (for example) could be extended to add 
support for provisioning an additional SMTPUTF8 address. Would that approach 
address your concern, John?

Scott

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