Digital Marketing

Log PowerMTA transient errors to monitor throttling by ISPs

The PowerMTA accounting logs are often used to record deliveries or bounces. 

Enabling logging of transient errors for debugging and information about the delivery, and how to optimize it. 

When ISPs' limit is reached, they return a temporary error, which can be logged by PowerMTA. This information can be used to adjust the volume for IP seasoning (warm-up) or maximum rate of sending, or tune the configuration of the back-off mode.


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