-----Original Message-----
From: ietf-dkim-bounces(_at_)mipassoc(_dot_)org [mailto:ietf-dkim-
bounces(_at_)mipassoc(_dot_)org] On Behalf Of Scott Kitterman
Sent: Wednesday, September 01, 2010 4:56 AM
To: ietf-dkim(_at_)mipassoc(_dot_)org
Subject: Re: [ietf-dkim] draft-ietf-dkim-mailinglists-02 review
At this point, unless we can cut back the MLM document to stick to
items that we have consensus about, e.g., that it is typical for
signatures applied to incoming mail not to verify after a message
passes through an MLM, and that it would be nice if a list or its MTA
signed its outgoing mail, I don't think we will produce anything that
is useful to anyone.
If that's all we can say, I'd say don't bother. I don't see much value
in the
DKIM working group saying it thinks mail should be signed by DKIM.
I also submit that a two-paragraph document saying "Lists should sign mail" and
"Lists should reject traffic from ADSP discardable domains" is not worth the
effort to push through to publication as an RFC. If that's the kind of
clear-cutting we agree on, let's just make them new paragraphs or sections in a
revision to the deployment document whenever we get around to it, and declare
this document dead.
Personally I do see use in the document's current form. Although I realize
MLMs haven't done the work to preserve signatures in the past, I get the
feeling there's desire out there for that to start to happen; receivers want
it, for whatever reason, and I don't hear a lot of people coming out against
the idea. Are we really on solid ground telling them "You don't need/don't
want/can't have it?"
I find the "Nobody's ever wanted this, why should it change now?" argument
about MLM behavior antithetical to the whole DKIM premise. The same logic
there would sound like "Nobody's ever had a reliable identifier on a message
before, what makes you think it's needed now?"
Maybe if people say they want preserved author signatures, and we encourage
MLMs in the direction of preserving author signatures, and they're willing to
give it a go, then it is indeed worth making a more meaty statement about it.
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