message-file-spec[,...]

    One or more files to comprise the message; wildcards are not
    allowed. Each file is included in the mail message as a separate
    part.

 recipient-address

    The recipients who are to receive copies of the message. Standard
    RFC 822 format addresses must be used. Quoting might be needed to
    preserve case and special characters. This parameter is optional
    when the /FAX qualifier is used.