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