Folks,
In:
<http://mipassoc.org/pipermail/ietf-dkim/2009q2/011959.html>
Steve Atkins posted a list of suggested DKIM features to drop.
This note is intended to anchor a discussion thread for discusses one of those
features, namely:
DKIM-Signature Header tags
x: Signature expiration
Expiration is a fairly common feature in signing specifications. But
DK and DKIM are different in that the public key is not distributed to
others, it's always under the control of the signer. Does this add
anything that removing the DNS TXT record doesn't do? Is it used? Is
it necessary?
Please discuss arguments for and against dropping this.
d/
--
Dave Crocker
Brandenburg InternetWorking
bbiw.net
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