Re: The Bcc Issue

> An MSA listening on either port 25 or 587 should NOT be looking at
> To/Cc/Bcc headers. They should only be looking at RCPT TO. See RFC 2476.
Or flipping it around, an agent that examines To/CC/Bcc headers around the time
of message submission is considered to be part of the MUA. The fact that
this can happen in a different process or even on a different machine
doesn't make it an MSA.

                                Ned