The problem with switching to RFC5890 is the potential that that constitutes
an
actual protocol change of a type not allowed for going to Draft Standard.
I asked my IDNA expert, who said that the definitive answer is "it
depends". He suggests our chair ask our AD to check with the IESG.
I just looked through my three year archive of DKIM signatures and as far
as I can tell, I've literally never seen one with an IDN, much less one
with an IDN that would be different, so I think we can make a plausible
argument that the practical change is imperceptible.
Regards,
John Levine, johnl(_at_)iecc(_dot_)com, Primary Perpetrator of "The Internet
for Dummies",
Please consider the environment before reading this e-mail. http://jl.ly
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