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Re: [ietf-dkim] Where is the formal definition of DKIM-Signature?

2018-02-08 10:24:09
On 2/8/2018 8:17 AM, Mark Delany wrote:
"v=1" doesn't have to come first.  It just usually does.  I think there was
a version of RFC4871 that did that, but then when challenged we couldn't
come up with a good reason to keep it that way.

Heh. I'm still waiting to hear a good reason as to why "v=" exists at all - 
from exposing brittle parsers which mistakenly expect it to show up as the first

There appears to be a genetically-encoded belief in the value of version numbers, independent of the logic against it. The belief is pervasive and seems to cross all technical cultures, experiential sets, and protocol layers.


Dave Crocker
Brandenburg InternetWorking
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