IETF Logo Mail Archive

Re: [dmarc-ietf] Concerns for not Sending a Failure Report?

Steve Atkins <steve@wordtothewise.com> Sun, 04 August 2019 08:07 UTC

Return-Path: <steve@wordtothewise.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 585BF1200D8 for <dmarc@ietfa.amsl.com>; Sun, 4 Aug 2019 01:07:51 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2
X-Spam-Level:
X-Spam-Status: No, score=-2 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=wordtothewise.com
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 RtvPOxcOpGLn for <dmarc@ietfa.amsl.com>; Sun, 4 Aug 2019 01:07:50 -0700 (PDT)
Received: from mail.wordtothewise.com (mail.wordtothewise.com [104.225.223.158]) by ietfa.amsl.com (Postfix) with ESMTP id F00AE1200D5 for <dmarc@ietf.org>; Sun, 4 Aug 2019 01:07:49 -0700 (PDT)
Received: from [192.168.0.88] (unknown [37.228.251.105]) by mail.wordtothewise.com (Postfix) with ESMTPSA id EDD599F146 for <dmarc@ietf.org>; Sun, 4 Aug 2019 01:07:48 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=wordtothewise.com; s=aardvark; t=1564906069; bh=1I9QbElegtdJce6kg2BzhHwbFi81fggSRyF6vjKAKsc=; h=From:Subject:Date:References:To:In-Reply-To:From; b=KSTquA+Xz19Q5xDctIsYC/YwuVa+yVDa8ywmINs8/gcLK4lMe5Az8e8J2JzJlvz/d PyNe+tQ3+CEw0a0GgqBmTfh8lIE9fNx64VROSlykc4DqyBaKNOQ+k0711fqlFaqU2f nBO0BGS6rfBfeG25zH2zuPhPK718FN1N20OGxhfw=
From: Steve Atkins <steve@wordtothewise.com>
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: quoted-printable
Mime-Version: 1.0 (Mac OS X Mail 12.4 \(3445.104.11\))
Date: Sun, 04 Aug 2019 09:07:47 +0100
References: <e84652a9df6b61e599f30e7fae6c0c728faf5ce5.camel@aegee.org>
To: dmarc <dmarc@ietf.org>
In-Reply-To: <e84652a9df6b61e599f30e7fae6c0c728faf5ce5.camel@aegee.org>
Message-Id: <5DD2CBA9-6F28-483C-9B08-8D3A41526BD7@wordtothewise.com>
X-Mailer: Apple Mail (2.3445.104.11)
Archived-At: <https://mailarchive.ietf.org/arch/msg/dmarc/ALsYBzgJFOF1bFT3EjlK7lpFdj4>
Subject: Re: [dmarc-ietf] Concerns for not Sending a Failure Report?
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: Sun, 04 Aug 2019 08:07:51 -0000


> On Aug 2, 2019, at 10:41 PM, Дилян Палаузов <dilyan.palauzov@aegee.org> wrote:
> 
> Hello,
> 
> I just thougth once again on this.
> 
> Some of the senders of aggregate reports offer free mailboxes.
> 
> Aggregate reports show that emails from a host to a provider of free mailboxes sometimes do not validate DMARC.
> 
> The one provider sending emails opens a free mailbox on the receiver and then sends a secret copy of each, otherwise
> ordinary delivered email, to that special mailbox.
> 
> Then the mails from that mailbox are downloaded, and the A-R header is checked.  By this way the sender finds out, which
> messages exactly have failed DMARC validation.
> 
> At the end the same information is obtained, that can be obtained by exchanging a failure report: which messages have
> failed.

Information found in mail mail headers in accounts that you have created includes email that's been sent to you.

Information found in failure reports includes email that generally was not sent to you.

Cheers,
  Steve

v2.23.0 | Report a Bug | By Email