mail_queue_check_vm_interval — how often to apply memory management reduction on mail queues
mail_queue_check_vm_interval = 60
How often to apply memory management reduction on mail queues, based on the configured memory utilization limits.
By default, the system checks once a minute to see if too much memory is being used and attempts to swap out messages from the queues if usage is excessive.
The default value is
mail_queue_check_vm_interval is valid in the global scope.