ietf-dkim
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Re: [ietf-dkim] New Issue: Overview service-type and delegation

2008-03-26 00:25:58


Jim Fenton wrote:
Dave Crocker wrote:
At best, the benefit of having s= defined now depends on whether 
people are setting s=email now.  Are they?  Should they?  How will 
they know?

Are they:  I haven't seen a key with s=email yet, although I'll have to 
admit that I don't look at a lot of selectors.

Should they:  They should as soon as they start using DKIM for services 
other than email, especially if they want to delegate keys to 
parties/agents not authorized to send email on their behalf.  But until 
someone defines use for DKIM in a service other than email, s=email is a 
tautology, so I don't think it's important to state.

We seem to have a disconnect.  You said that s= needed to be in the protocol 
now.  If it isn't used now, then what is the benefit of having it in the 
protocol now?

(I'm not arguing for a change in the specification, but am trying to argue for 
having the Overview include no more discussion than a basic regurgitation of 
the 
specification's statement of what the option is for. On the other hand, making 
no mention of the option encourages confusion, since it is part of the current 
specification and failing to refer to it leads to obvious "what is this for?" 
questions.)


My point is that the Overview document seeks to describe s= in the 
most limited way it can, while at least saying something meaningful.

Deleting a discussion of s= seems inappropriate, as does having the 
text say more, since it's a bit of an oddity and I doubt we (the 
community) understand it very well.

I'm puzzled that you want to include text on a mechanism that we (the 
community) don't understand well, because we're likely to get it wrong 
in that case.

Because it is part of the specification.  Having the Overview fail to refer to 
it does not remove it from the specification.

d/
-- 

   Dave Crocker
   Brandenburg InternetWorking
   bbiw.net
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