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

John Levine <johnl@taugh.com> Wed, 01 April 2020 00:02 UTC

Return-Path: <johnl@iecc.com>
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 D49F33A0DC5 for <dmarc@ietfa.amsl.com>; Tue, 31 Mar 2020 17:02:16 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: 0.45
X-Spam-Level:
X-Spam-Status: No, score=0.45 tagged_above=-999 required=5 tests=[DKIM_INVALID=0.1, DKIM_SIGNED=0.1, HEADER_FROM_DIFFERENT_DOMAINS=0.25, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=no autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=fail (1536-bit key) reason="fail (message has been altered)" header.d=iecc.com header.b=WbL68TsJ; dkim=fail (1536-bit key) reason="fail (message has been altered)" header.d=taugh.com header.b=T+FqxIGw
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 JEH5RPwaQ0iw for <dmarc@ietfa.amsl.com>; Tue, 31 Mar 2020 17:02:15 -0700 (PDT)
Received: from gal.iecc.com (gal.iecc.com [IPv6:2001:470:1f07:1126:0:43:6f73:7461]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 0A9403A0DC3 for <dmarc@ietf.org>; Tue, 31 Mar 2020 17:02:14 -0700 (PDT)
Received: (qmail 21947 invoked by uid 100); 1 Apr 2020 00:02:14 -0000
Date: 1 Apr 2020 00:02:13 -0000
Message-ID: <r60lm5$j7p$1@gal.iecc.com>
From: "John Levine" <johnl@taugh.com>
To: dmarc@ietf.org
DKIM-Signature: v=1; a=rsa-sha256; c=simple; d=iecc.com; h=date:message-id:from:to:subject:references:in-reply-to:cleverness; s=55b3.5e83da06.k2003; i=news@user.iecc.com; bh=0oLJkSovWLhknHofegtfNgAirn0DKyXiVortnv0sja4=; b=WbL68TsJqW8GY3iEHfYKP2D3fUmxzXJs8QOJZ9XT2fq/h5RDWeowm43TZ5lHh+0KnVaZTAR+LsSR94UellZWDJurOhszZgbMqj6e5pcnGiRhtY3+i9l2dt0QmY5O/0hvVUYnrwLMVIwiCIbMTa5zJm62MMX2O7RockCJgucbvgyEL0qaEfNYn1aQUUsrv+Z5Il6VXLFjwiKqd8EZecMcNQyNVKRJ19rOn+1o4G5wL7bcyeFDMy6nZZi7CQyMo2jY
DKIM-Signature: v=1; a=rsa-sha256; c=simple; d=taugh.com; h=date:message-id:from:to:subject:references:in-reply-to:cleverness; s=55b3.5e83da06.k2003; olt=news@user.iecc.com; bh=0oLJkSovWLhknHofegtfNgAirn0DKyXiVortnv0sja4=; b=T+FqxIGwCQ+Oy7SxNf5MEaL2ieQyQBKRpG3PEYej0Ph8l5dYpyE5H9cxsiJwiP8uP5k4WPg61OSmen25Mwquk48/SrlYErpsr8Y0ob2aYXVArKWLUK5M17r/ApqecfneOEzW3qD2lXvKWgULx+4GEny3/SWZ+lp4JG0w6idDmUTxUXxXtz5d7oZoWYEy0NhWEplqPAqa0/rP00KcIm3o0lQpSzOBDPL8Oq9zGZLRoCIpmnFyy9r0d+8s1vu5lPPH
Organization: Taughannock Networks
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>
In-Reply-To: <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>
Cleverness: some
X-Newsreader: trn 4.0-test77 (Sep 1, 2010)
Originator: johnl@iecc.com (John Levine)
Archived-At: <https://mailarchive.ietf.org/arch/msg/dmarc/aLKY3bnp1ILxy7KjLjcU2ZJOAm8>
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 00:02:17 -0000

In article <f3862db7-4ddc-0ee0-20aa-0bcf1f93f244@arcsin.de>de>,
Damian Lukowski  <rfc@arcsin.de> wrote:
>>     Does this mean that a parser would need to know if the message has been
>>     sent with SMTPUTF8 in order to pass or refute U-labels?

The definition of an EAI message is separate from SMTPUTF8.

As a close approximation, any message which has an x80 bit set in a
character in the header is an EAI message.



-- 
Regards,
John Levine, johnl@taugh.com, Primary Perpetrator of "The Internet for Dummies",
Please consider the environment before reading this e-mail. https://jl.ly