/PROTECTION=(ownership[:access][,...])

    Specifies protection for the mailbox.

    o  Specify the ownership parameter as system (S),  owner (O),
       group (G),  or world (W).

    o  Specify the access parameter as read (R),  write (W), logical
       I/O (L),  or physical I/O (P).

    If no protection is specified, the mailbox template is used.

    For more information about specifying protection codes, see the
    VSI OpenVMS Guide to System Security.