Re: A permission to re-sign header

>Is that not a critical goal?  As a sender, I want to make sure that my 
>message gets through intact (authentication and integrity).

The copy of your message that showed up here was mutated by the
mailing list by adding a subject tag and a footer.  That is presumably
not a problem, since you've sent a bazillion messages to IETF lists.

Every previous attempt to describe mechanically what is a good
mutation vs. a bad one has been a complete failure.  The best we can
do is to try to verify that the mutations were done by someone you
trust.

Even that fails to describe the situations where a message was sent
with your approval, but not by a sender that happens to have your
signing key or use one of your SPF IP addresses.

R's,
John

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