[mailto:ietf-dkim-bounces(_at_)mipassoc(_dot_)org] On Behalf Of Eliot Lear
That leaves the cases. Here, the simple answer is that a
message must make it TO the originating domain to be signed.
That's a change, but not a huge one from my perspective.
Some GPRS based phones already let you specify a mail system.
There is a business model issue that potentially gets in the
way, but I'm not sure we should code to it.
I think that's probably a short lived issue same as walled gardens were. The
carriers will eventually realize that they are just pipes and that any attempts
to extract rent from the commodity position of pipe provision is doomed to fail
as they net reduce the value of the service
Netnews is a separate case, but again not worth delving into here.
It is out of scope but well worth people looking into. My guess would be that
it should just work. NNTP is a much cleaner environment as NNTP servers do not
as a rule make arbitrary conversions to messages as many SMTP servers do.
Deploying DKIM just within the NNTP environment as a spam control measure could
make a lot of sense. It will inevitably happen as people write DKIM aware
mail/news clients.
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