Tracking retries, tracking retry delay MTA options

Tracking Update Retry Control
Tracking information updates can fail because of simultaneous access attempts to the underlying database. If this happens the update can be retried. The  MTA option specifies how many times to retry the update. The default is 5 retries.

The  MTA option specifies the amount of time to delay between retry attempts in units of centiseconds. The default is 10 centiseconds.

See also:
 * tracking_mode MTA Option
 * Message tracking MTA options