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Postfix: The Definitive Guide by Kyle D. Dent

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Name

minimal_backoff_time

Possible values:

time unit

Default:

1000s

Minimum time limit on how often Postfix attempts redelivery of deferred messages. Each time a message is deferred, the queue manager increases the amount of time it waits to attempt delivery of that message again. The calculated time is never less than minimal_backoff_time .

Example:

minimal_backoff_time = 1000s

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