On 02/10/2018 10:04 AM, Dave Crocker wrote:
On 2/10/2018 9:47 AM, John R Levine wrote:
Well, OK, other than DKIM-Improved-Signature how would you do
conditional signatures, where the signature has to fail if the
semantics of the re-sign tag aren't satisified? Remember that the
current rule is that verifiers ignore tags they don't understand.
The current point of departure into DKIM is by the header field name.
So I'm not sure why 'other than' is being queried, since it's the
natural, existing point for going to a different protocol.
Different protocol? Yes. Current DKIM does not require support for
unrecognized tags, beyond the initial set. You want to require
support for additional tags. That's a fundamental change; so it isn't
'DKIM'. It's something different.
DKIM-Signature-v2: vs DKIM-Signature: v=2;
Angels, meet the pinhead.
Mike
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