Return delta MTA option

Notification message MTA options:  (VMS delta time)
OpenVMS only. On OpenVMS systems, the  MTA option controls when the message  return system runs. The value should be specified as a standard VMS delta time.

When the   MTA option is set to 0, then   should  be set to the time after midnight when the daily job should start. The default when  is 0 is 30 minutes after midnight, or.

When the  MTA option is set to 1, then   should be set to the interval between runs. The default when  is 1 is one hour, or.

See also:
 * Notification message MTA options
 * return_units MTA Option