Library /sys$common/syshlp/HELPLIB.HLB
Sys Parameters, DEFMBXMXMSG
 *Conan The Librarian 

    DEFMBXMXMSG sets the default for the mailbox maximum message size
    in bytes when this value is not specified in a Create Mailbox
    ($CREMBX) system service call.

    DEFMBXMXMSG is a DYNAMIC parameter.
  Close     Help