On 27 Sep 2010, John R. Levine wrote:
> > A reasonable interpretation of the RFC is that "dkim=all" still indicates
> > that all mail with no signature is bogus
>
> No.  If that's what we meant, that's what we would have said.

I base that on section B.1, which specifically mentions mailing lists as
a possible contraindication to "dkim=all" use.

And, last year (2009-10-10), you said:
> People who contribute to mailing lists shouldn't say dkim=all.  We
> argued this ad nauseam when we were hammering out ADSP, it shouldn't
> come as a surprise to anyone.

(which is what lead me to propose except-mlist in the first place.)

So if "dkim=all" is:

* not suitable for senders who are as confident in their signing as
"dkim=discardable" users, but do not approve of discarding mail without a
bounce.

* not suitable for people who sign all first-party mail but post to
legacy mailing lists.

... then what the heck is it good for?

---- Michael Deutschmann <[email protected]>
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