1.$ PMDF SEND/SUBJECT="Test message" MSG.TXT "BOB@EXAMPLE.COM"

      This command will send as a mail message the contents of the
      file MSG.TXT to the address BOB@EXAMPLE.COM. The Subject: line
      of the message will read "Subject: Test message".

    2.$ PMDF SEND/SUBJECT="Test message" -
      _$         /EXTRA=("X-Favorite-Drink: Hot chocolate",-
      _$         "X-IQ: 20/20") MSG.TXT "BOB@EXAMPLE.COM"

      Send a message to BOB@EXAMPLE.COM with the header lines

        Subject: Test message
        X-Favorite-Drink: Hot chocolate
        X-IQ: 20/20

      (Of course, these will not be the only header lines present.)

    3.$ PMDF SEND/HEADERS MSG.TXT "BOB@EXAMPLE.COM"

      Send a message to BOB@EXAMPLE.COM. By using the /HEADERS
      qualifier, MSG.TXT is assumed to already contain the headers
      for the message as well as the body.