Dequeue debug MTA option

Debug MTA options:  (0 or 1)
The  MTA option specifies whether or not debugging output from the MTA&#x27;s dequeue facility QU is produced; (note that master channel programs, since they are generally dequeue oriented, usually use QU routines). If enabled with a value of, this output will be produced on all  channels that use the QU routines. The default value of  disables this  output.

See also:
 * Debug MTA options