IETF Logo Mail Archive

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

Damian Lukowski <rfc@arcsin.de> Wed, 01 April 2020 06:21 UTC

Return-Path: <rfc@arcsin.de>
X-Original-To: dmarc@ietfa.amsl.com
Delivered-To: dmarc@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id EE92D3A0D45 for <dmarc@ietfa.amsl.com>; Tue, 31 Mar 2020 23:21:16 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.099
X-Spam-Level:
X-Spam-Status: No, score=-2.099 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=arcsin.de
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id waqjh1GAKKmU for <dmarc@ietfa.amsl.com>; Tue, 31 Mar 2020 23:21:15 -0700 (PDT)
Received: from scalar.arcsin.de (scalar.arcsin.de [185.162.250.16]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id F04E73A0D43 for <dmarc@ietf.org>; Tue, 31 Mar 2020 23:21:13 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=arcsin.de; h= content-transfer-encoding:content-language:content-type :content-type:in-reply-to:mime-version:date:date:message-id:from :from:references:subject:subject:x-amavis-category; s=dkim01; t= 1585722064; x=1587536465; bh=Rg+j0bGMIAJH0Soe1qcWy6XfWhxH6c/INFd LYuf1cX0=; b=Rr9OMvbp52UxW8+wnLtYz/82u/1H8Rr4fx3lM9DjE8EaJYJiQcc y3WbovuKqwFM4+q8l+Bn1hRnTXnO/NyqEgX9OYGq2n4QJ71EnmkxrFk/SanN55eg 4a5Ih1ADpiL1Y/Go6LX88YN7DHcDJZ56T1qE079iTIBjAhaz+uZJPFY4=
X-Amavis-Category: scalar.arcsin.de; category=CleanTag
To: dmarc@ietf.org
References: <20200331165652.84C5916D54B5@ary.qy> <75744c3b-bc2b-790e-a865-2bdd61ec3cc4@arcsin.de> <CABuGu1oY38u+FUbyCB7JEcS+bHG0QNM7s3CZ5p-L5GfhnSX_8w@mail.gmail.com> <f3862db7-4ddc-0ee0-20aa-0bcf1f93f244@arcsin.de> <r60lm5$j7p$1@gal.iecc.com>
From: Damian Lukowski <rfc@arcsin.de>
Message-ID: <f35ff802-eed7-0c8a-a1f1-14f764f96760@arcsin.de>
Date: Wed, 01 Apr 2020 08:21:43 +0200
MIME-Version: 1.0
In-Reply-To: <r60lm5$j7p$1@gal.iecc.com>
Content-Type: text/plain; charset="utf-8"
Content-Language: en-US
Content-Transfer-Encoding: 7bit
Archived-At: <https://mailarchive.ietf.org/arch/msg/dmarc/VAzq83I1GifE3vWILELQ3TZmit0>
Subject: Re: [dmarc-ietf] Definition of "value" in RFC8601
X-BeenThere: dmarc@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: "Domain-based Message Authentication, Reporting, and Compliance \(DMARC\)" <dmarc.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/dmarc>, <mailto:dmarc-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/dmarc/>
List-Post: <mailto:dmarc@ietf.org>
List-Help: <mailto:dmarc-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/dmarc>, <mailto:dmarc-request@ietf.org?subject=subscribe>
X-List-Received-Date: Wed, 01 Apr 2020 06:21:17 -0000

> authserv-id = sub-domain *("." sub-domain)
>    ;  Where sub-domain is imported from 5321 for
>    ; ASCII mail and 6531 for EAI mail
> As a close approximation, any message which has an x80 bit set in a
> character in the header is an EAI message.

As the authserv-id is part of the header, this boils down to:

"If the authserv-id is UTF-8, then it might be UTF-8"

This seems equivalent to

> authserv-id = sub-domain *("." sub-domain)
>    ; Where sub-domain is imported from 6531 for
>    ; any mail

v2.23.0 | Report a Bug | By Email