1) Curious, are these Mail List Server (MLS) developers active participants of the WG list? Lurkers? Was there a consideration to include a MLS developer participant that is active in the WG? I'm sure you are aware SSI (Santronics Software, Inc) has a MLS albeit commercial, not free, not open source.

2) Was Mailman asked (the other two MLS were not) if a simple DNS lookup can be considered? IMO, as a MLS developer, it would be less coding than making a more complex change with this proposal or ARC. Given the proposal would be asking MLS developers to finally make changes to their code, it opens an opportunity to explore other available well-defined, empirically proven to work "running code" options.

3) And this hurts to ask, but I believe it is a natural "IETF Discuss" question to ask, is there an AD vs Editor conflict here? It is more of a general question and not specifically address to you as WG AD and the proposal editor. I'm sure you can be fair, but nonetheless, I have an active implementer "fairness" concern with each of these itemize questions.

Thanks

--
Hector Santos,
https://secure.santronics.com
https://twitter.com/hectorsantos


On 7/5/2020 5:56 PM, Murray S. Kucherawy wrote:
I decided to breathe life into this idea since it's relevant and got
some discussion recently.  Comments welcome.

I'm talking to the Mailman people about the idea now; this is based on
some things they mentioned.  I haven't managed to get the attention of
Sympa or L-Soft yet.

-MSK

---------- Forwarded message ---------
From: <[email protected] <mailto:[email protected]>>
Date: Sun, Jul 5, 2020 at 2:46 PM
Subject: New Version Notification for
draft-kucherawy-dkim-transform-01.txt
To: Murray S. Kucherawy <[email protected] <mailto:[email protected]>>



A new version of I-D, draft-kucherawy-dkim-transform-01.txt
has been successfully submitted by Murray Kucherawy and posted to the
IETF repository.

Name:           draft-kucherawy-dkim-transform
Revision:       01
Title:          Recognized Transformations of Messages Bearing
DomainKeys Identified Mail (DKIM) Signatures
Document date:  2020-07-05
Group:          Individual Submission
Pages:          14
URL:
https://www.ietf.org/internet-drafts/draft-kucherawy-dkim-transform-01.txt
Status: https://datatracker.ietf.org/doc/draft-kucherawy-dkim-transform/
Htmlized: https://tools.ietf.org/html/draft-kucherawy-dkim-transform-01
Htmlized:
https://datatracker.ietf.org/doc/html/draft-kucherawy-dkim-transform
Diff: https://www.ietf.org/rfcdiff?url2=draft-kucherawy-dkim-transform-01

Abstract:
    DomainKeys Identified Mail (DKIM) introduced a mechanism whereby a
    mail operator can affix a signature to a message that validates at
    the level of the signer's domain name.  It specified two possible
    ways of converting the message body to a canonical form, one
    intolerant of changes and the other tolerant of simple changes to
    whitespace within the message body.

    The provided canonicalization schemes do not tolerate changes in a
    message such as conversion between transfer encodings or addition of
    new message content.  It is useful to have these capabilities to
    allow for transport through gateways, and also for transport through
    handlers (such as mailing list services) that might add content that
    would invalidate a signature generated using the existing
    canonicalization schemes.

    This document presents a mechanism for declaring that a message
    underwent one of a handful of well-defined transformations prior to
    being re-signed by a mediator, so that a verifier might rewind such a
    modification and thereby confirm that the original signature still
    verifies against the original content.




Please note that it may take a couple of minutes from the time of
submission
until the htmlized version and diff are available at tools.ietf.org
<http://tools.ietf.org>.

The IETF Secretariat




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--
Hector Santos,
https://secure.santronics.com
https://twitter.com/hectorsantos


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