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RE: Are international characters allowed in email addresses?

From: John Harrison <jharrison@once.com>
Date: Wed, 27 Jun 2001 16:57:46 -0700
Message-ID: <C9B6F26F1AA6D411853100508BDE65A9CE1256@EXCHANGE>
To: "'Eric Brunner-Williams'" <wampum@maine.rr.com>, John Harrison <jharrison@once.com>, "'discuss@apps.ietf.org'" <discuss@apps.ietf.org>
Thanks everyone for your assistance today. The level of detail in the
responses has been very much appreciated!

-John

-----Original Message-----
From: Eric Brunner-Williams [mailto:wampum@maine.rr.com]
Sent: Wednesday, June 27, 2001 4:47 PM
To: John Harrison; 'discuss@apps.ietf.org'
Subject: Re: Are international characters allowed in email addresses?


The discussion thus far has employed terms like "address" and "domain".

In general, sendmail (a MTA with a modest deployment) is 8-bit encoding 
indifferent.
The only interesting issue is can sendmail handle 8-bit headers?

Currently, the answer is "no".

The IETF has not yet scheduled a transition plan to 8-bit clean header 
processing,
nor an EHLO extension specification and a way to do 8->7 bit encoding when 
sending
to a system that didn't announce the extension.

[My thanks to the private correspondent, however any errors or omissions 
are mine,
or artifacts of a bogus MUA].

Eric

At 6/27/01 11:57 AM, John Harrison wrote:
>Hello,
>
>I'm researching an issue regarding whether international characters are
>allowed in email addresses. Through the research that I've conducted thus
>far I've seen contradictory information.
>
>In looking at RFC-822 it only specifies ASCII characters being allowed,
>however I have actually seen a few email addresses that do in fact have
>international characters in them. For example, josé.bermúdez@xxxxxx.com --
>note the accented 'e' and 'u'.
>
>If anyone has any more definitive information regarding what is and what is
>not supported in respect to international characters in email addresses, I
>would be greatly appreciative.
>
>Thanks in advance.
>
>Regards,
>John
>
>__________________________________________
>John Harrison
>@Once, Director of Product Management
>309 SW 6th Avenue, Suite 900, Portland, OR 97204
>direct: 503.419.0552 / cell: 503.804.2161
>main: 503.241/4185 / fax: 503.241.4279
>email: jharrison@once.com
Received on Wednesday, 27 June 2001 19:55:02 UTC

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