Does anyone know of a discussion on a retraction function for mail
analogous to an NNTP cancel message? I have looked through the IMC and IETF
sites without success. I saw the draft SMTP extension that allows
supersession and expiration, but that's not quite what I'm looking for. I'd
like to see a way for the sender to cancel a message before it is read by
the recipient.
If there isn't such a proposal on the table is this the place to discuss it?
--
Anthony E. Greene <agreene(_at_)nemaine(_dot_)com>
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