I can think of lots of reasons I'd have more Message-Instance than
Received in a single message. Say if a message goes through a mailing
list and the list software and the MDA mutate it twice on the same
machine.
Yes but by the same token I can think of plenty of situations where nothing
changes but the envelope, where there's another signature and no new M-I (every
dkim preserving forwarder now should match this profile) - so if there's 31 of
those it's ALSO rediculous. I might be tempted to extend that number to 63,
but also. Maybe we should put this in the BCP so we can tune it, and have the
spec just allow for a PERMERROR if too many hops.
I think we agree that 31 Received or 31 Message-Instance or 31
DKIM2-Signature is too much.
Regards,
John Levine, [email protected], Taughannock Networks, Trumansburg NY
Please consider the environment before reading this e-mail. https://jl.ly
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