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Re: [Spasm] Fwd: New Version Notification for draft-ietf-lamps-eai-addresses-09.txt

Jim Schaad <ietf@augustcellars.com> Mon, 17 April 2017 23:46 UTC

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From: Jim Schaad <ietf@augustcellars.com>
To: spasm@ietf.org
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Subject: Re: [Spasm] Fwd: New Version Notification for draft-ietf-lamps-eai-addresses-09.txt
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-----Original Message-----
From: Spasm [mailto:spasm-bounces@ietf.org] On Behalf Of Viktor Dukhovni
Sent: Sunday, April 16, 2017 12:14 PM
To: SPASM <spasm@ietf.org>
Subject: Re: [Spasm] Fwd: New Version Notification for
draft-ietf-lamps-eai-addresses-09.txt

On Sat, Apr 15, 2017 at 03:20:23PM -0700, Wei Chuang wrote:
> Hi all,
> 
> An updated draft of "Internationalized Email Addresses in X.509 
> certificates" with the latest comments is now posted.  Comments welcome.

This version is I think flawed.

    * It fails to describe how rfc822Name name constraints are to
      be used to restrict SMTPUtf8Name altnames.  (By decoding any
      U-labels in the rfc822Name constraint and then applying to
      the SMTPUtf8Name with byte-for-byte comparison whole domain
      or ancestor domain as appropriate).

    * It incorrectly asserts that SMTPUtf8Name is only for addresses
      with a non-ASCII localpart, while in fact even ASCII localparts
      at UTF-8 domains can be used with SMTPUtf8Name, whenever the
      relevant email address employs a UTF-8 domain name.

[JLS] Based on previous mails on the list.  It is my understanding that the
WG position is correctly reflected in the document.  

    * The new text of section 6 is confusing.  There seems to be
      a misunderstanding here, that may account for both the
      technical errors and the confusing explanatory text.

[JLS]  I am still trying to find the energy to go through the document, but
I agree that there does need to be some editing  before the document
progresses.

Jim

-- 
	Viktor.

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