On Mon, 13 Sep 2004, David Woodhouse wrote:
We should not abuse the Resent-From: header. Instead, we should either
introduce a new header or simply add a new field to the Received:
header. I favour the latter.
The Received: field already includes a "for" clause which contains the
recipients of the message. It is usually omitted if there is more than one
recipient for privacy reasons (otherwise it could expose BCC recipients).
If Sender-ID were to use that clause, what should it contain in the
multiple recipients case? At least Resent-From: mailer-daemon makes some
kind of sense. Received: for unspecified-recipients(_at_)unspecified-domains?
Tony.
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