Michael Thomas wrote:
An interesting side effect is that it would also suppress bounce messages
from mailing lists, even if they resigned. I'm not sure if this is a
feature or a bug.
I think that that will depend entirely on the way the SSP record is defined,
much like the constraints on rfc2821.From values that are being discussed.
So, yeah, if the SSP associated with the MailFrom says "rfc2821.MailFrom" must
match a DKIM signature, or somesuch, then a mailing list that inserts its own
MailFrom, without adding its own signature, could break bounces.
d/
--
Dave Crocker
Brandenburg InternetWorking
bbiw.net
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