For months, Leo ignored the monitoring dashboard. "Green is good," he muttered, closing the Grafana panel. He didn't notice the gentle yellow blush creeping into the queue graphs. He didn't see the deferred rate climbing like a slow tide. The logs? He’d check them "if something broke."
Beyond just logging bounces, enabling the logging of transient (temporary) errors helps you monitor ISP throttling in real-time. Bounce Classification: classifying bounces powermta monitoring
Periodically parse pmta show stats and push to time-series DB or trigger alerts. For months, Leo ignored the monitoring dashboard