You can enable carbon copying by using the SET CC-PROMPT command.
    Follow these guidelines when you specify destinations for the CC:
    prompt:

    o  Follow the OpenVMS Mail conventions for copying mail to other
       people or to yourself.

    o  For entering the correct address, follow the guidelines listed
       in the Sending Mail section.

    The following example sends mail to user AL and copies to users
    ROLLINS, BOND, and RICH:

    MAIL>  SEND
    To:  al@airways
    CC:  rollins,bond,rich@flight_central.com
    Subj: Directions for Night Flight