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Re: [ietf-dkim] (registered) domain name (Re: errata revision: opaque)

2009-03-26 21:24:21

On Mar 26, 2009, at 6:10 PM, Dave CROCKER wrote:



Steve Atkins wrote:
On Mar 26, 2009, at 3:49 PM, Dave CROCKER wrote:
6.  RFC4871 Section 2.9 Signing Domain Identifier (SDID)
...
   New:
     A single domain name that is the mandatory payload output of
     DKIM and that refers to the identity claiming  
responsibility  for
     introduction of a message into the mail stream.  For DKIM
     processing, the name has only basic domain name semantics; any
     possible owner-specific semantics is outside the scope of  
DKIM.
  A single domain name -> A single, registered domain name
Registered with who?
If the SDID is, say, hatstand.beartrap.blighty.com?


Registered with the DNS, the global distributed hierarchical service.

From the other uses of this language I'm seeing on the net, this  
isn't said explicitly.  Do you really feel that the meaning is not  
clear?

Registered means that the string is registered with a registry.

That's not something I'd want the language to even hint at, let alone  
actually say. It's going to lead to confusion when explaining this to  
people, as you'll need to directly contradict the wording in the spec  
when you reassure them that, no, there is no central DKIM registry.

Cheers,
   Steve

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