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What is the retry timing on this type of fail?

I get that it is going to retry, but how often, and how quickly after the fail does it retry?

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The original message was received at Wed, 23 Sep 2020 07:58:05 -0700 from ****ery@newhopetransport.com [****ery@newhopetransport.com]

----- The following addresses had fatal errors -----

[***er@gerdau.com]

Message will be retried for 4 more day(s)