Re: [dmarc-ietf] ARC questions
John Levine <johnl@taugh.com> Mon, 23 November 2020 21:53 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 97F563A1315
for <dmarc@ietfa.amsl.com>; Mon, 23 Nov 2020 13:53:43 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: 0.049
X-Spam-Level:
X-Spam-Status: No, score=0.049 tagged_above=-999 required=5
tests=[DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1,
DKIM_VALID_EF=-0.1, HEADER_FROM_DIFFERENT_DOMAINS=0.249,
SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key)
header.d=iecc.com header.b=fTSzcc0u;
dkim=pass (2048-bit key)
header.d=taugh.com header.b=BcC1m4iR
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 H6UKTFf8rlhG for <dmarc@ietfa.amsl.com>;
Mon, 23 Nov 2020 13:53:42 -0800 (PST)
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 205523A1313
for <dmarc@ietf.org>; Mon, 23 Nov 2020 13:53:41 -0800 (PST)
Received: (qmail 94821 invoked from network); 23 Nov 2020 21:53:40 -0000
DKIM-Signature: v=1; a=rsa-sha256; c=simple; d=iecc.com;
h=date:message-id:from:to:cc:subject:in-reply-to:mime-version:content-type:content-transfer-encoding:cleverness;
s=17263.5fbc2f64.k2011; bh=LAUqGYXvI+KnlpMqn3kL1HL9PKv+4HvqncF+4tZsYGs=;
b=fTSzcc0uAbdyuSOYH+4lWX0iOsjGhVIRYHkVCrsnam4+yPDpoeyfmk4uzRwdwsLsiSFMut8EJ/gAepsFkhyMupKO/gh5L0W9ocVrfpKiChiWcikejfI5080RGIvh6vyiRy5dfnR52ok7MtfmQh8hB4gQS95ZQnOJKDUyj9YJsCHhdYtSrXhHeLN6FfjfNetirBqpJuC16KorJHNebriCcZjqH1q1uOXzO/RLSdDSONwMsKJQICElhYniLW3cbrrg5x+veijElF/kE2UBuXhcIzWOp+gEVDJaywPJZ7QXmLk/WCJ+4sutcq0QqhR4xjuBXXOeWn28o6TrXVZDKKzjxg==
DKIM-Signature: v=1; a=rsa-sha256; c=simple; d=taugh.com;
h=date:message-id:from:to:cc:subject:in-reply-to:mime-version:content-type:content-transfer-encoding:cleverness;
s=17263.5fbc2f64.k2011; bh=LAUqGYXvI+KnlpMqn3kL1HL9PKv+4HvqncF+4tZsYGs=;
b=BcC1m4iR+M0VTeAb4vlt0lf87USmxp7EL4DRqqFUwAzEP2wE7mTfRXo1NxBNqwYrPsqA8Lbc5cYO7cxerhLMvhK3yb7VJgwmmirTLXBx7yqiYdiZdtIKGTYf8em09ovZaOF0iwmcPYXU1l2TMehJpG8qeU9iHdR02ZJZQxR4itB5CdXzIKJoDxvJkMpdYuWZWvKI1bJXgoGBLbo270hwRK5VBqxtq6p/QD+uVZheSJsl0LVYdnUUE62DQc2UlWsl0iNO09b90yz6iyKOBpx0zkLH8j5qdNL3x2ENj52sF2OmOmJJNs00gxUlOM0Ah2eNeaznSos1xrQLVtZnZ/ZAMQ==
Received: from ary.qy ([IPv6:2001:470:1f07:1126::78:696d:6170])
by imap.iecc.com ([IPv6:2001:470:1f07:1126::78:696d:6170])
with ESMTPS (TLS1.2 ECDHE-RSA AES-256-GCM AEAD) via TCP6;
23 Nov 2020 21:53:40 -0000
Received: by ary.qy (Postfix, from userid 501)
id 07FD027C8BD0; Mon, 23 Nov 2020 16:53:39 -0500 (EST)
Date: 23 Nov 2020 16:53:39 -0500
Message-Id: <20201123215340.07FD027C8BD0@ary.qy>
From: "John Levine" <johnl@taugh.com>
To: dmarc@ietf.org
Cc: todd.herr@valimail.com
In-Reply-To: <CAHej_8nN+827KB+tTuyoeZXoUaKzcYoeizNmwSY-fKTquroPMA@mail.gmail.com>
Organization: Taughannock Networks
X-Headerized: yes
Cleverness: minimal
Mime-Version: 1.0
Content-type: text/plain; charset=utf-8
Content-transfer-encoding: 8bit
Archived-At: <https://mailarchive.ietf.org/arch/msg/dmarc/hXwNDWJdhNlpyKZoYjNWaSwSnJw>
Subject: Re: [dmarc-ietf] ARC questions
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: Mon, 23 Nov 2020 21:53:44 -0000
In article <CAHej_8nN+827KB+tTuyoeZXoUaKzcYoeizNmwSY-fKTquroPMA@mail.gmail.com> you write: >I suppose that an approach to building up an ARC reputation might be one >where over time a receiving site can compare indirect mail flow that is >purported to have X as an authenticated identifier with mail that comes >direct to the receiving site with X as an authenticated identifier. ... I think it's more likely to be ad-hoc, does this source send mail that looks like mailing lists and the recipients don't flag or complain about it. R's, John PS: >This email and all data transmitted with it contains confidential and/or >proprietary information intended solely for the use of individual(s) >authorized to receive it. If you are not an intended and authorized >recipient you are hereby notified of any use, disclosure, copying or >distribution of the information included in this transmission is prohibited >and may be unlawful. Please immediately notify the sender by replying to >this email and then delete it from your system. Too late.
- [dmarc-ietf] ARC questions Michael Thomas
- Re: [dmarc-ietf] ARC questions John Levine
- Re: [dmarc-ietf] ARC questions Kurt Andersen (b)
- Re: [dmarc-ietf] ARC questions Michael Thomas
- Re: [dmarc-ietf] ARC questions John R Levine
- Re: [dmarc-ietf] ARC questions Douglas E. Foster
- Re: [dmarc-ietf] ARC questions Michael Thomas
- Re: [dmarc-ietf] ARC questions Michael Thomas
- Re: [dmarc-ietf] ARC questions John R Levine
- Re: [dmarc-ietf] ARC questions John Levine
- Re: [dmarc-ietf] ARC questions Douglas E. Foster
- Re: [dmarc-ietf] ARC questions Joseph Brennan
- Re: [dmarc-ietf] ARC questions Todd Herr
- Re: [dmarc-ietf] ARC questions Dave Crocker
- Re: [dmarc-ietf] ARC questions Doug Foster
- Re: [dmarc-ietf] ARC questions Dave Crocker
- Re: [dmarc-ietf] ARC questions Todd Herr
- Re: [dmarc-ietf] ARC questions Dave Crocker
- Re: [dmarc-ietf] ARC questions Michael Thomas
- Re: [dmarc-ietf] ARC questions John R Levine
- Re: [dmarc-ietf] ARC questions Brandon Long
- Re: [dmarc-ietf] ARC questions Dave Crocker
- Re: [dmarc-ietf] ARC questions Brandon Long
- Re: [dmarc-ietf] ARC questions Brandon Long
- Re: [dmarc-ietf] ARC questions Michael Thomas
- Re: [dmarc-ietf] ARC questions Michael Thomas
- Re: [dmarc-ietf] ARC questions Brandon Long
- Re: [dmarc-ietf] ARC questions Dave Crocker
- Re: [dmarc-ietf] ARC questions Michael Thomas
- Re: [dmarc-ietf] ARC questions Michael Thomas
- Re: [dmarc-ietf] ARC questions Brandon Long
- Re: [dmarc-ietf] ARC questions Brandon Long
- Re: [dmarc-ietf] ARC questions John R Levine
- Re: [dmarc-ietf] ARC questions Brandon Long
- Re: [dmarc-ietf] ARC questions Michael Thomas
- Re: [dmarc-ietf] ARC questions John R Levine
- Re: [dmarc-ietf] ARC questions Michael Thomas
- Re: [dmarc-ietf] ARC questions Dave Crocker
- Re: [dmarc-ietf] ARC questions Michael Thomas
- Re: [dmarc-ietf] ARC questions John Levine
- Re: [dmarc-ietf] ARC questions John Levine
- Re: [dmarc-ietf] ARC questions Michael Thomas
- Re: [dmarc-ietf] ARC questions Dave Crocker
- Re: [dmarc-ietf] ARC questions John R Levine
- Re: [dmarc-ietf] ARC questions Dave Crocker
- Re: [dmarc-ietf] ARC questions John R Levine
- Re: [dmarc-ietf] ARC questions Dave Crocker
- Re: [dmarc-ietf] ARC questions Michael Thomas
- Re: [dmarc-ietf] ARC questions Brandon Long
- Re: [dmarc-ietf] ARC questions Dave Crocker
- Re: [dmarc-ietf] ARC questions John Levine
- Re: [dmarc-ietf] ARC questions Michael Thomas
- Re: [dmarc-ietf] ARC questions Michael Thomas
- Re: [dmarc-ietf] ARC questions Seth Blank
- Re: [dmarc-ietf] ARC questions Brandon Long
- Re: [dmarc-ietf] ARC questions Michael Thomas
- Re: [dmarc-ietf] ARC questions Brandon Long
- Re: [dmarc-ietf] ARC questions Michael Thomas
- Re: [dmarc-ietf] ARC questions John R Levine
- Re: [dmarc-ietf] ARC questions Douglas Foster
- Re: [dmarc-ietf] ARC questions Murray S. Kucherawy
- Re: [dmarc-ietf] ARC questions Michael Thomas
- Re: [dmarc-ietf] ARC questions Michael Thomas
- Re: [dmarc-ietf] ARC questions Murray S. Kucherawy
- Re: [dmarc-ietf] ARC questions Michael Thomas
- Re: [dmarc-ietf] ARC questions Murray S. Kucherawy
- Re: [dmarc-ietf] ARC questions Alessandro Vesely
- Re: [dmarc-ietf] ARC questions Michael Thomas
- Re: [dmarc-ietf] ARC questions John Levine
- Re: [dmarc-ietf] ARC questions Brandon Long
- Re: [dmarc-ietf] ARC questions Michael Thomas
- Re: [dmarc-ietf] ARC questions John R Levine
- Re: [dmarc-ietf] ARC questions Michael Thomas
- Re: [dmarc-ietf] ARC questions John R Levine
- Re: [dmarc-ietf] ARC questions Michael Thomas
- Re: [dmarc-ietf] ARC questions John R Levine
- Re: [dmarc-ietf] ARC questions Michael Thomas
- Re: [dmarc-ietf] ARC questions John R Levine
- Re: [dmarc-ietf] ARC questions Michael Thomas
- Re: [dmarc-ietf] ARC questions Michael Thomas
- Re: [dmarc-ietf] ARC questions Michael Thomas
- Re: [dmarc-ietf] ARC questions Benny Pedersen
- Re: [dmarc-ietf] ARC questions Brandon Long
- Re: [dmarc-ietf] ARC questions Brandon Long
- Re: [dmarc-ietf] ARC questions Michael Thomas