[1]  Is the same as for submitting regular new mail, that is, normal
          posting.  (Determination of the address to send to is a separate
          issue.)
     [2]  Is specific to the mechanism for retrieving the message for which a
          report is being submitted.  (The details of such mechanisms is a
          separate issue.)
Has to be [1], to make it work reasonably for the legions of POP users.
R's,
John
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