Modifying the message is already a common practice by list-servers
and resigning a modified message may not overcome restrictions
imposed by a From email-address policy.
I wonder if there are any legal ramification of modifying messages.
It is common for list software to modify messages, but one could
consider this a violation of copyright law. If DKIM gets deployed,
legal ramifcations may become more probable.
May I encourage members of the DKIM list not to play lawyer? There is
a mountain of statute and case law about copyright and derivative
works. Modified messages are not a new issue, either in general, or
in connection with e-mail, and a few extra virtual postmarks are not
going to break any legal ground.
R's,
John
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