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Re: [ietf-dkim] discardable, was Last Call: <draft-ietf-dkim-mailinglists-10.txt> (DKIM And Mailing Lists) to BCP

2011-05-16 07:26:33
I'd propose to put this item ('writeup a definition of 'discardable') on
the to-do list of a successor of RFC5617, if there ever will be one. Or
on another future 'policy' document.

-1

RFC 5617 has a perfectly good definition of discardable:

        All mail from the domain is signed with an
        Author Domain Signature.  Furthermore, if a
        message arrives without a valid Author Domain
        Signature due to modification in transit,
        submission via a path without access to a
        signing key, or any other reason, the domain
        encourages the recipient(s) to discard it.

I realize there are people who wish it meant something else, typically 
simultaneously saying "this mail is very important" and "throw this mail 
away", which is absurd, or perhaps "if there's no signature, handle it 
based on some complicated set of instructions of no benefit to the 
receiver, even though the apparent sender probably isn't the actual 
sender, because the message is so very important".

The definition in the RFC was hammered out after a great deal of debate, 
and I see no evidence that the definition is defective.  ADSP has plenty 
of problems, but the definition of discardable isn't one of them.

Regards,
John Levine, johnl(_at_)iecc(_dot_)com, Primary Perpetrator of "The Internet 
for Dummies",
Please consider the environment before reading this e-mail. http://jl.ly
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