[idn] Mail reliability

[Martin Duerst <duerst@w3.org>]

<sneak>Just a side remark. Given things like below, which I see daily,
I don't think that using UTF-8 in mail headers will cause much more
problems.</sneak>

Regards,   Martin.


At 08:11 01/07/17 -0700, Mail Delivery Subsystem wrote:
>The original message was received at Tue, 17 Jul 2001 08:11:23 -0700 (PDT)
>from localhost [127.0.0.1]
>
>    ----- The following addresses had permanent fatal errors -----
><paf@sj-av.cisco.com>
>     (reason: 550 5.1.1 <paf@cisco.com>... User unknown)
>
>    ----- Transcript of session follows -----
>... while talking to sj-msg-core-4.cisco.com.:
> >>> RCPT To:<paf@cisco.com>
><<< 550 5.1.1 <paf@cisco.com>... User unknown
>550 5.1.1 <paf@sj-av.cisco.com>... User unknown
>Reporting-MTA: dns; sj-msg-av-1.cisco.com
>Received-From-MTA: DNS; localhost
>Arrival-Date: Tue, 17 Jul 2001 08:11:23 -0700 (PDT)
>
>Final-Recipient: RFC822; paf@cisco.com
>Action: failed
>Status: 5.1.1
>Remote-MTA: DNS; sj-msg-core-4.cisco.com
>Diagnostic-Code: SMTP; 550 5.1.1 <paf@cisco.com>... User unknown
>Last-Attempt-Date: Tue, 17 Jul 2001 08:11:27 -0700 (PDT)
>Return-Path: <duerst@w3.org>
>Received: from proxy3.cisco.com (localhost [127.0.0.1])
>         by sj-msg-av-1.cisco.com (8.10.1/8.10.1) with ESMTP id f6HFBNR28562
>         for <paf@sj-av.cisco.com>; Tue, 17 Jul 2001 08:11:23 -0700 (PDT)
>Received: from sh.w3.mag.keio.ac.jp (sh.w3.mag.keio.ac.jp [133.27.194.41])
>         by proxy3.cisco.com (8.11.2/8.11.2) with ESMTP id f6HFBn402614
>         for <paf@cisco.com>; Tue, 17 Jul 2001 08:11:50 -0700 (PDT)
>Received: from enoshima (g055087.ppp.asahi-net.or.jp [211.132.55.87])
>         by sh.w3.mag.keio.ac.jp (8.9.3/3.7W) with ESMTP id AAA10384;
>         Wed, 18 Jul 2001 00:11:24 +0900 (JST)
>Message-Id: <4.2.0.58.J.20010717184708.035bae20@sh.w3.mag.keio.ac.jp>
>X-Sender: duerst@sh.w3.mag.keio.ac.jp
>X-Mailer: QUALCOMM Windows Eudora Pro Version 4.2.0.58.J
>Date: Wed, 18 Jul 2001 00:10:52 +0900
>To: Patrik F$BgM(Btstr$B‹N(B ,Russ Rolfe 
><rrolfe@windows.microsoft.com>, idn@ops.ietf.org
>From: Martin Duerst <duerst@w3.org>
>Subject: Re: Just send UTF-8 with nameprep (was: RE: [idn] RealityCheck)
>In-Reply-To: <152039.995367999@localhost>
>Mime-Version: 1.0
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>Content-Transfer-Encoding: 7bit
>
>Hello Patrick
>
>At 11:06 01/07/17 +0200, Patrik F$BgM(Btstr$B‹N(B wrote:
>>--On 01-07-17 16.48 +0900 Martin Duerst <duerst@w3.org> wrote:
>>
>> > It is very important to understand that in most contexts, the chance
>> > that a label is changed (except for lowercasing, which was part of
>> > the UTF-8 proposal from the start) by nameprep when somebody takes a
>> > proper domain name from paper and inputs it, is *very* small.