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address_metrics_cleanse_interval — the interval for refreshing address metrics


address_metrics_cleanse_interval = 3600


Address metrics store data on the quality of service to a particular target host from a particular binding; data such as the time since the last failure, and how long it takes to connect and to deliver a message. Address metrics are used to determine which of a domain's MXs to open more connections to. address_metrics_cleanse_interval controls how often stale entries are cleaned up. Normally this option does not need to be changed.

The default value is 3600 seconds.


address_metrics_cleanse_interval is valid in the global scope.

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