IETF Logo Mail Archive

Re: [ietf-smtp] [dispatch] Forced SMTP redirects

Dave Crocker <dhc@dcrocker.net> Tue, 16 March 2021 19:33 UTC

Return-Path: <dhc@dcrocker.net>
X-Original-To: ietf-smtp@ietfa.amsl.com
Delivered-To: ietf-smtp@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 2C0C63A0C49 for <ietf-smtp@ietfa.amsl.com>; Tue, 16 Mar 2021 12:33:04 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.255
X-Spam-Level:
X-Spam-Status: No, score=-1.255 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, NICE_REPLY_A=-0.001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_SOFTFAIL=0.665, URIBL_BLOCKED=0.001] autolearn=no autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=messagingengine.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 kT31c3lSAD35 for <ietf-smtp@ietfa.amsl.com>; Tue, 16 Mar 2021 12:33:02 -0700 (PDT)
Received: from forward2-smtp.messagingengine.com (forward2-smtp.messagingengine.com [66.111.4.226]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 573683A0C46 for <ietf-smtp@ietf.org>; Tue, 16 Mar 2021 12:33:02 -0700 (PDT)
Received: from compute5.internal (compute5.nyi.internal [10.202.2.45]) by mailforward.nyi.internal (Postfix) with ESMTP id B12CF1941143; Tue, 16 Mar 2021 15:33:00 -0400 (EDT)
Received: from mailfrontend1 ([10.202.2.162]) by compute5.internal (MEProxy); Tue, 16 Mar 2021 15:33:00 -0400
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :reply-to:subject:to:x-me-proxy:x-me-proxy:x-me-sender :x-me-sender:x-sasl-enc; s=fm2; bh=opFAYWlgURRyQBe0MkeK++7TOQ8tt +ZTu8w62EB4fvg=; b=ZHyw4ILYpnSnqHWyr9D2FDRexN5UFYYaSJjya0W19qXLT u0mF0gt9e5sTfxx6ee7wMy+jyZP9POryRclcf2I83mSVVdmR86xMYSj4iYCKBO90 uM6+r1ZGiyW/2ZcJUlAigMJQdB4XGU9PnXBshR7bCjXOoDx8NgGImlxRpik9dxdD tWpK6FG9sdBqp4Vwb9lmwn3VeZv5r/xZIun1CuKdn4sOzF6I92BDml+32MWoDPWv Di3N55BxjRq9hnzNi2xBLc+qwaSjz9eEYDOIFk72d2XMDULfgLZOjaoOf8m7t+hV qdLXCegkulHcxrGeutn9jCAR8XVZxIb0qSgj/6srQ==
X-ME-Sender: <xms:6wdRYE_wiPXcLr97GZLyuX7KDCqyse80WukbI4UAxmHg2I6O4kJQuw> <xme:6wdRYMtn_-XVCGl5f9yBZ_y-I-mv1tE9lnlaMUOklqpBwR8MGf_qnMTdKZevvHyhP Bqp9yRBb-iL0i2d9g>
X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduledrudefvddguddvkecutefuodetggdotefrod ftvfcurfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfgh necuuegrihhlohhuthemuceftddtnecunecujfgurheprhfuvfhfhfhokffffgggjggtgf esthejredttdefjeenucfhrhhomhepffgrvhgvucevrhhotghkvghruceoughhtgesuggt rhhotghkvghrrdhnvghtqeenucggtffrrghtthgvrhhnpeektdelfffgvdeiudfhvdehhf ejvddvudeikedvueefiefgteehfeegfeevffetudenucffohhmrghinhepsggsihifrdhn vghtnecukfhppedutdekrddvvdeirdduiedvrdeifeenucevlhhushhtvghrufhiiigvpe dtnecurfgrrhgrmhepmhgrihhlfhhrohhmpeguhhgtsegutghrohgtkhgvrhdrnhgvth
X-ME-Proxy: <xmx:6wdRYKDrgxXVmkYLzHu1A68vQGK3eBtyTznDmkuXmBMCE2fpL00ehQ> <xmx:6wdRYEd_QOvnNS4HpDrIXv6_KAkg3JFg6f5u7TNlHA7lOMo5Egyl2w> <xmx:6wdRYJO_h0BR-WPHlnbAV-aaVOh0T7lDMnb3G5Q5KfPssXQdXPzVaw> <xmx:7AdRYCj8hHqHKanstRsm80ZVw3gzefhb2-W92fxP07Q2BoQxoNtRDQ>
Received: from [192.168.0.102] (108-226-162-63.lightspeed.sntcca.sbcglobal.net [108.226.162.63]) by mail.messagingengine.com (Postfix) with ESMTPA id 8538424005E; Tue, 16 Mar 2021 15:32:59 -0400 (EDT)
Reply-To: dcrocker@bbiw.net
To: ietf-smtp@ietf.org, Viktor Dukhovni <ietf-dane@dukhovni.org>
References: <CAKFo7wkawgk-Yj676kE5MqK8XuebuArMexH-eOdq_Uo7ijdimQ@mail.gmail.com> <20200710015947.0BE2D1C78A2F@ary.qy> <CAKFo7w=MJBt0FdnCcOZCXZWdkd6Jinv4TqwdpefdoaCncbZH3Q@mail.gmail.com> <6AEA7D44C8037B32BC1F3810@PSB> <81d0132b-3ebf-2b0b-756b-503bb5afdb37@dcrocker.net> <8E2D8138-EE61-486A-B957-A922F0C6F4B3@dukhovni.org>
From: Dave Crocker <dhc@dcrocker.net>
Organization: Brandenburg InternetWorking
Message-ID: <5f803eb4-0fd1-9b15-8d3c-5c5be8ebd063@dcrocker.net>
Date: Tue, 16 Mar 2021 12:32:58 -0700
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1
MIME-Version: 1.0
In-Reply-To: <8E2D8138-EE61-486A-B957-A922F0C6F4B3@dukhovni.org>
Content-Type: text/plain; charset="utf-8"; format="flowed"
Content-Language: en-US
Content-Transfer-Encoding: 7bit
Archived-At: <https://mailarchive.ietf.org/arch/msg/ietf-smtp/hoQjkM6veOasargdnr3U73Czrjw>
Subject: Re: [ietf-smtp] [dispatch] Forced SMTP redirects
X-BeenThere: ietf-smtp@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: "Discussion of issues related to Simple Mail Transfer Protocol \(SMTP\) \[RFC 821, RFC 2821, RFC 5321\]" <ietf-smtp.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/ietf-smtp>, <mailto:ietf-smtp-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/ietf-smtp/>
List-Post: <mailto:ietf-smtp@ietf.org>
List-Help: <mailto:ietf-smtp-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/ietf-smtp>, <mailto:ietf-smtp-request@ietf.org?subject=subscribe>
X-List-Received-Date: Tue, 16 Mar 2021 19:33:04 -0000

On 3/16/2021 12:26 PM, Viktor Dukhovni wrote:
> There isn't yet any known response code where we'd expect
> the rest to matter.  I'd prefer to keep it that way.  The remaining digits are
> useful for forensics.


That's nice, but you won't be surprised to hear that there are other 
implementations that /do/ pay attention to more than the first digit.


d/

-- 
Dave Crocker
Brandenburg InternetWorking
bbiw.net

v2.23.0 | Report a Bug | By Email