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Re: [dmarc-ietf] Definition of "value" in RFC8601

John Levine <johnl@taugh.com> Tue, 31 March 2020 16:58 UTC

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From: John Levine <johnl@taugh.com>
To: dmarc@ietf.org
Cc: rfc@arcsin.de
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Archived-At: <https://mailarchive.ietf.org/arch/msg/dmarc/1tIv3VJLUB_Dheo27dRnpxgSxyQ>
Subject: Re: [dmarc-ietf] Definition of "value" in RFC8601
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In article <230d0260-c254-99d3-0995-1ab05c326949@arcsin.de> you write:
>Shall authserv-id contain UTF8-non-ascii or not?

The intention in 8601 is pretty clear, even though the ABNF doesn't agree:

2.5.  Authentication Service Identifier Field

   Every Authentication-Results header field has an authentication
   service identifier field (authserv-id above).  Specifically, this is
   any string intended to identify the authentication service within the
   ADMD that conducted authentication checks on the message.  This
   identifier is intended to be machine-readable and not necessarily
   meaningful to users.

   Note that in an EAI-formatted message, this identifier may be
   expressed in UTF-8.




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