Re: [ietf-smtp] Possible cont4ibution to moving forward with RFC5321bis SMTP

Keith Moore <moore@network-heretics.com> Mon, 30 December 2019 19:17 UTC

Return-Path: <moore@network-heretics.com>
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 CD495120B4D for <ietf-smtp@ietfa.amsl.com>; Mon, 30 Dec 2019 11:17:45 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.596
X-Spam-Level:
X-Spam-Status: No, score=-2.596 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_NONE=0.001] autolearn=ham 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 dc6QNejFuHIK for <ietf-smtp@ietfa.amsl.com>; Mon, 30 Dec 2019 11:17:43 -0800 (PST)
Received: from out1-smtp.messagingengine.com (out1-smtp.messagingengine.com [66.111.4.25]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 80A11120020 for <ietf-smtp@ietf.org>; Mon, 30 Dec 2019 11:17:42 -0800 (PST)
Received: from compute6.internal (compute6.nyi.internal [10.202.2.46]) by mailout.nyi.internal (Postfix) with ESMTP id 05FDA21AD2; Mon, 30 Dec 2019 14:17:42 -0500 (EST)
Received: from mailfrontend2 ([10.202.2.163]) by compute6.internal (MEProxy); Mon, 30 Dec 2019 14:17:42 -0500
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-me-proxy :x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm1; bh=gitys6 zAj0A/tf1ql3s6cFBsVAumVKJba4hIOnpkGCc=; b=XuEN5XhgDRavS8FlPAuHML J0lG1BHYV2Ghks9NInm8uQni0nnyQcwPVpWHPcsxDAXJUJp66ShOyFC7nqr2OURR NVareRWc8Nfh8cPh9D3bVGK8oUYhibFQaKiu3VXU7bFdmsh8D4CVIrs0K5vB1k5U RLfh6Fs26lM7cYJz1xR15HEUCIUcLpmH25SoYgJqRJKbUTdVwkoVPsH2Qo+ACVRx fXex/qOB+0lVGL2U+ngngOBboqEdup1M/Q1JaoOBp/p8R2IynxHMuGdKn60lvt09 kOnAmuQm48LIzTqAoU9PtfbtjVpzg+k1yRje2UR4rU9I+uIvra140t2RWi7jiXcQ ==
X-ME-Sender: <xms:VE0KXk_G1ajBZ7_GxA5_37PjxFh_83m1yj9DKAT0gdfQhazQLHDqIw>
X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedufedrvdefhedguddvfecutefuodetggdotefrod ftvfcurfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfgh necuuegrihhlohhuthemuceftddtnecunecujfgurhepuffvfhfhkffffgggjggtsegrtd erredtfeejnecuhfhrohhmpefmvghithhhucfoohhorhgvuceomhhoohhrvgesnhgvthif ohhrkhdqhhgvrhgvthhitghsrdgtohhmqeenucfkphepuddtkedrvddvuddrudektddrud ehnecurfgrrhgrmhepmhgrihhlfhhrohhmpehmohhorhgvsehnvghtfihorhhkqdhhvghr vghtihgtshdrtghomhenucevlhhushhtvghrufhiiigvpedt
X-ME-Proxy: <xmx:VE0KXsRTvyqK9h7eQ9RYHPMyJFTWxzf9qsxdBn36ruQOQde8bCTgDw> <xmx:VE0KXjZGtMW-CBXnMZiFVaA-XZIZ2C9wGS-56Nou1IAZWV5DPSnbLA> <xmx:VE0KXtTQA9-OR5D5fRPtyNaAIMNtSpW8OzEX6dE0w1fO8547fF20fw> <xmx:Vk0KXksrIZITPILWscs4DwmKFvIJYFvWQSi3TQfy5zG6fpHHEC_YlA>
Received: from [192.168.1.97] (108-221-180-15.lightspeed.knvltn.sbcglobal.net [108.221.180.15]) by mail.messagingengine.com (Postfix) with ESMTPA id 0AFE33060976; Mon, 30 Dec 2019 14:17:39 -0500 (EST)
To: ietf-smtp@ietf.org
References: <20191230013034.2C3E111D376E@ary.qy> <f894c448-ac91-6d27-98d6-0803de4ea535@network-heretics.com> <alpine.OSX.2.21.99999.374.1912292129450.44159@ary.qy> <d3dc48b0-332b-c2fe-704a-d6dc69eb5424@network-heretics.com> <3883B58F-1307-4883-BDB8-9CCAFC0E363C@wordtothewise.com> <f091d5f8-7b5c-ce09-c846-59a81a70f44b@network-heretics.com> <A60E477B-A3CA-4463-B011-F6C1A08AD70C@wordtothewise.com> <cf63ad58-2cd7-7827-bf4c-f56179757dd5@network-heretics.com> <C7DAB0D4-AC4D-4ACA-865B-FD74AA659438@wordtothewise.com>
From: Keith Moore <moore@network-heretics.com>
Message-ID: <d0a8b19d-14b6-95c2-bee5-779d62aa380e@network-heretics.com>
Date: Mon, 30 Dec 2019 14:17:39 -0500
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0
MIME-Version: 1.0
In-Reply-To: <C7DAB0D4-AC4D-4ACA-865B-FD74AA659438@wordtothewise.com>
Content-Type: multipart/alternative; boundary="------------5E5AB0A9C830C4F8A4AE612C"
Content-Language: en-US
Archived-At: <https://mailarchive.ietf.org/arch/msg/ietf-smtp/xL-56ljFaZ1jCHHeprnKUGFOjRs>
Subject: Re: [ietf-smtp] Possible cont4ibution to moving forward with RFC5321bis SMTP
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: Mon, 30 Dec 2019 19:17:46 -0000

On 12/30/19 11:34 AM, Laura Atkins wrote:

>> On 30 Dec 2019, at 16:06, Keith Moore <moore@network-heretics.com 
>> <mailto:moore@network-heretics.com>> wrote:
>>
>> On 12/30/19 10:58 AM, Laura Atkins wrote:
>>
>>>
>>>> On 30 Dec 2019, at 15:24, Keith Moore <moore@network-heretics.com 
>>>> <mailto:moore@network-heretics.com>> wrote:
>>>>
>>>> On 12/30/19 8:31 AM, Laura Atkins wrote:
>>>>
>>>>> 30% of email addresses on a marketing list go bad every year. It 
>>>>> doesn’t seem that changing email addresses is that problematic.
>>>>
>>>> Of course it is problematic, because any email address that is 
>>>> changed for that reason cannot be used as stable contact info for 
>>>> use between friends and colleagues.    And this degrades the 
>>>> utility of email.
>>>
>>> This has been the case since 1999.
>> So addressing the issue is clearly long overdue.
>
> Why are you assuming no one has attempted to address the issue in 20 
> years?

I don't assume that at all, and the myriad efforts to address the issue 
are quite evident.  But I also observe that email delivery, as 
experienced by casual email users, is still unreliable - to the point 
that for many people, email is the messaging system of last resort.   
But it's also essential enough to have that system of last resort that 
casual email users have developed lots of ways of attempting to cope 
with the unreliability.

And yet, I still find Internet standard email fundamentally more 
functional than every other messaging system out there.  And I think 
Internet email is fixable, whereas most of the other interpersonal 
messaging systems appear to me to have fundamental and largely 
insurmountable limitations that will likely keep them from ever being as 
functional.

>> But it's not necessary to survey the literature to understand that 
>> spam is a huge problem and that existing solutions are inadequate.
>>
> It is necessary to understand why the existing solutions are what they 
> are. You’ve made a host of assumptions that are, quite honestly, 
> disrespectful of the people who’ve been working on this for their 
> entire careers.

I mean no disrespect, and my very purpose in this conversation is to 
understand the landscape.   But I suspect the political and/or economic 
landscape is more of an impediment to solving the problem than the 
technical challenges are.   And that's why, to me, it makes sense to try 
to understand the political and/or economic landscape before doing a 
technical deep dive on any particular proposal.

I also observe that the landscape is different now than it was in the 
late 1990s and wonder if the changing landscape creates new 
opportunities that did not exist 20 years ago.

Or to explain this a different way - I  have identified roughly a dozen 
significantly different technical approaches that appear to have not 
been tried (at least at scale), because most of them are things that 
would involve changes to the email protocols and/or widespread practice 
- if they had been tried, it would be evident.

I also know better than to float concrete proposals without doing a lot 
of technical research first.   But in my experience the political 
research is even more important.   If a bad idea gets shot down for 
technical reasons, that's overall a good thing even if it meant some 
energy was wasted.    But if a good idea gets shot down for political 
reasons, that's a very bad result, because the good idea can be 
discredited for decades after the political issues have been forgotten.

So before trying to pitch or defend or even develop technical proposals 
in detail, I want to understand which of those proposals might land on 
potentially-fertile ground, and maybe also where the fertile ground is 
if it exists.

Keith

p.s. I also understand that if any new ideas were found to be helpful, 
they would be more likely to be complimentary approaches to what exists, 
than competing ones.