Re: [dmarc-ietf] Ticket #111 - MX/A/AAAA test needs justification

Jeremy Harris <jgh@wizmail.org> Thu, 06 May 2021 22:32 UTC

Return-Path: <jgh@wizmail.org>
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 DEEDD3A0CC6 for <dmarc@ietfa.amsl.com>; Thu, 6 May 2021 15:32:31 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.098
X-Spam-Level:
X-Spam-Status: No, score=-2.098 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, NICE_REPLY_A=-0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=neutral reason="invalid (unsupported algorithm ed25519-sha256)" header.d=wizmail.org header.b=iRD+9UG0; dkim=pass (2048-bit key) header.d=wizmail.org header.b=f6ESgo5Q
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 p4q-5vUnQUYa for <dmarc@ietfa.amsl.com>; Thu, 6 May 2021 15:32:26 -0700 (PDT)
Received: from wizmail.org (wizmail.org [IPv6:2a00:1940:107::2:0:0]) (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 816A93A0CC4 for <dmarc@ietf.org>; Thu, 6 May 2021 15:32:26 -0700 (PDT)
DKIM-Signature: v=1; a=ed25519-sha256; q=dns/txt; c=relaxed/relaxed; d=wizmail.org; s=e202001; h=Content-Transfer-Encoding:Content-Type: In-Reply-To:MIME-Version:Date:Message-ID:From:References:To:Subject:From: Sender:Reply-To:Subject:Date:Message-ID:To:Cc:MIME-Version:Content-Type: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To: References:List-Id:List-Help:List-Unsubscribe:List-Subscribe:List-Post: List-Owner:List-Archive:Autocrypt; bh=g4r7OrmSs5TSWt+XECIFy7CPxXq5OtdfHgoRIA/qZxs=; b=iRD+9UG0OO2gvmjoK72kZhwJrJ q6k3BVAxHAFayueW9KZAbUWXzWefZjg4UWtNT7qEAedcGB8K7OxiPnjzbBDA==;
DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=wizmail.org ; s=r202001; h=Content-Transfer-Encoding:Content-Type:In-Reply-To: MIME-Version:Date:Message-ID:From:References:To:Subject:From:Sender:Reply-To: Subject:Date:Message-ID:To:Cc:MIME-Version:Content-Type: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To: References:List-Id:List-Help:List-Unsubscribe:List-Subscribe:List-Post: List-Owner:List-Archive:Autocrypt; bh=g4r7OrmSs5TSWt+XECIFy7CPxXq5OtdfHgoRIA/qZxs=; b=f6ESgo5QRD1HFe9AyahMupA0Rp vIr3L4tcBc6SRYrNs9H3khGvW5KCLxGP3jB0x1NIAm43dQV7M66SkgeXBg5VUEm5auQ+EEFvcbdfB vzgCEWBBE4VVWwJk8R/NRGszubvtTWoJeZD7Kn9dAHPu326qPhhZTMR61ARXQGG1IKn7hsIJ9/OoW RbfGOrfTjrwvGNEdPvOKIT3/iZb0KljCKI2sr61GXZEc2J1HwU47EYE3kZqMx1JpBhZMiCZdE00O3 nw3DoOYVw0dG3oydn81mP1o6+g3vaKskv/tmyMu2P537VG0y+Ao5saV79+Dr2McCC4CXtrJ/g6W/L N+CQJCNw==;
Authentication-Results: wizmail.org; iprev=pass (vgate18.wizint.net) smtp.remote-ip=2a00:1940:107::1:2f:0; auth=pass (PLAIN) smtp.auth=jgh@wizmail.org
Received: from vgate18.wizint.net ([2a00:1940:107::1:2f:0] helo=lap.dom.ain) by wizmail.org (Exim 4.94.125) (TLS1.3) tls TLS_AES_128_GCM_SHA256 with esmtpsa id 1lemXe-00AuPT-Oa for dmarc@ietf.org (return-path <jgh@wizmail.org>); Thu, 06 May 2021 22:32:22 +0000
To: dmarc@ietf.org
References: <CAH48Zfw36HJ0C4owJXPowgVqwZ5eLxSwibQ6ANzryZDKO0B6dw@mail.gmail.com>
From: Jeremy Harris <jgh@wizmail.org>
Message-ID: <3f70ef7c-d506-d799-2cb0-d836f47bc3d3@wizmail.org>
Date: Thu, 6 May 2021 23:32:21 +0100
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1
MIME-Version: 1.0
In-Reply-To: <CAH48Zfw36HJ0C4owJXPowgVqwZ5eLxSwibQ6ANzryZDKO0B6dw@mail.gmail.com>
Content-Type: text/plain; charset=utf-8; format=flowed
Content-Language: en-GB
Content-Transfer-Encoding: 7bit
X-Pcms-Received-Sender: vgate18.wizint.net ([2a00:1940:107::1:2f:0] helo=lap.dom.ain) with esmtpsa
Archived-At: <https://mailarchive.ietf.org/arch/msg/dmarc/cVu_RlzDn75cH45IHH6x2Q_vLO8>
Subject: Re: [dmarc-ietf] Ticket #111 - MX/A/AAAA test needs justification
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: Thu, 06 May 2021 22:32:32 -0000

On 05/05/2021 12:28, Douglas Foster wrote:
> Non-delivery reports are officially discouraged

RFC 5321 Section 6.2 says the reverse.

-- 
Cheers,
   Jeremy