First, I see nothing wrong with someone writing a draft for netnews,
but this is well beyond this group's scope, IMHO.
Having written and run my share of gateways between mail and usenet
over the past 25 years, I have to agree. Mail and news are similar,
but they are different enough that I've always had to futz with
headers on the way through.
It's perfectly reasonable to think about putting DKIM signatures on
news messages, and it may well be possible to define a useful common
header subset so that you can sign a message and successfully transmit
it both over both SMTP and NNTP. But it'd be a major overstretch at
this point to say anything at all about NNTP in the current DKIM
effort. We have no experience with DK or DKIM signed news and no
experience with passing signed messages through mail <-> news
gateways.
R's,
John
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