I think "!cd" is the only thing I changed. Here's my old comment about it
with some open issues mentioned, like "v=2" to which Dave objected:
https://mailarchive.ietf.org/arch/msg/dmarc/WQNRhqdUjM5Kut0BWzENx8aJSO8
I suppose the version bump to v=2 is an open issue, but I don't really see
what the problem is. Since the current spec says that unknown tags are
ignored, there's no way to add mandatory tags without a version bump. I
believe when this came up before, people looked at common DKIM libraries
including yours, the perl and python ones, and found that the current code
would all fail a v=2 signature, so the version bump should do what we want
it to.
There was a further rather theological argument about whether one can do a
version bump by publishing a short document that describes the changes, or
if it requires republishing the entire spec. I don't understand the
motivation for the latter, but some people seemed to think it was
important.
Regards,
John Levine, [email protected], Taughannock Networks, Trumansburg NY
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