Re: [VCARDDAV] IDN in EMAIL

Simon Perreault <simon.perreault@viagenie.ca> Tue, 02 November 2010 16:45 UTC

Return-Path: <simon.perreault@viagenie.ca>
X-Original-To: vcarddav@core3.amsl.com
Delivered-To: vcarddav@core3.amsl.com
Received: from localhost (localhost [127.0.0.1]) by core3.amsl.com (Postfix) with ESMTP id D4B323A69F5 for <vcarddav@core3.amsl.com>; Tue, 2 Nov 2010 09:45:51 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.478
X-Spam-Level:
X-Spam-Status: No, score=-2.478 tagged_above=-999 required=5 tests=[AWL=0.122, BAYES_00=-2.599, NO_RELAYS=-0.001]
Received: from mail.ietf.org ([64.170.98.32]) by localhost (core3.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id NB5HyPkid3Q4 for <vcarddav@core3.amsl.com>; Tue, 2 Nov 2010 09:45:51 -0700 (PDT)
Received: from jazz.viagenie.ca (jazz.viagenie.ca [IPv6:2620:0:230:8000::2]) by core3.amsl.com (Postfix) with ESMTP id CBE203A69EF for <vcarddav@ietf.org>; Tue, 2 Nov 2010 09:45:50 -0700 (PDT)
Received: from ringo.viagenie.ca (unknown [IPv6:2620:0:230:c000:9da2:a7fe:1c63:4205]) by jazz.viagenie.ca (Postfix) with ESMTPSA id A383420D1A for <vcarddav@ietf.org>; Tue, 2 Nov 2010 12:45:54 -0400 (EDT)
Message-ID: <4CD0403F.4000904@viagenie.ca>
Date: Tue, 02 Nov 2010 12:45:51 -0400
From: Simon Perreault <simon.perreault@viagenie.ca>
User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.10) Gecko/20100621 Fedora/3.0.5-1.fc13 Thunderbird/3.0.5
MIME-Version: 1.0
To: vcarddav@ietf.org
References: <4CD03940.3010609@one.com>
In-Reply-To: <4CD03940.3010609@one.com>
X-Enigmail-Version: 1.0.1
Content-Type: text/plain; charset="ISO-8859-1"
Content-Transfer-Encoding: 8bit
Subject: Re: [VCARDDAV] IDN in EMAIL
X-BeenThere: vcarddav@ietf.org
X-Mailman-Version: 2.1.9
Precedence: list
List-Id: IETF vcarddav wg mailing list <vcarddav.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/listinfo/vcarddav>, <mailto:vcarddav-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/vcarddav>
List-Post: <mailto:vcarddav@ietf.org>
List-Help: <mailto:vcarddav-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/vcarddav>, <mailto:vcarddav-request@ietf.org?subject=subscribe>
X-List-Received-Date: Tue, 02 Nov 2010 16:45:51 -0000

Sorry for not responding the first time you posted this. Probably
because I lack the knowledge necessary to determine what should be done.

This is important, folks.

On 2010-11-02 12:16, Peter Mogensen wrote:
> RFC2426 says:
>   3.3.2 EMAIL Type Definition
>   Type encoding: 8bit
> 
> Which seems to imply that it's perfectly OK in vCard3 to code the
> address work@blåbærgrød.dk in plain QP UTF-8:
> 
> EMAIL;type=3DINTERNET;type=3DWORK;type=3Dpref:work@bl=C3=A5b=C3=A6rgr=C3=B8=d.dk
> 
> 
> But the vCard4 draft says:
>   7.4.2. EMAIL
>   Value type:  A single text value
>   EMAIL-value = addr-spec  ; from [RFC5322] section 3.4.1
> 
> And RFC5322 of course does not deal with IDN and allows only printable
> US-ASCII - which leads me to conclude that vCard4 would require domain
> names to be punycoded.
> 
> Am I wrong? Is this change on purpose?

It was on purpose, but not for *this* purpose.

People who are knowledgeable about this, (I know there are plenty in
this working group.), please comment. Please indicate if anything should
be changed in the current text.

Thanks,
Simon
-- 
NAT64/DNS64 open-source --> http://ecdysis.viagenie.ca
STUN/TURN server        --> http://numb.viagenie.ca
vCard 4.0               --> http://www.vcarddav.org