Integrate this with for instant alerts. Pro Tip: Build a Live Dashboard Since port 8080 outputs plain text, you can pipe it into a lightweight tool like telegraf + InfluxDB + Grafana .
Have a favorite PMTA monitoring script or dashboard? Share it in the comments below!
Port 8080 is PowerMTA’s hidden gem for real-time analytics. Learn how to unlock HTTP stats, set up proactive monitoring, and keep your email delivery healthy. If you manage a PowerMTA (PMTA) cluster, you probably spend most of your time watching mail logs ( /var/log/pmta ) or parsing pmta show queue . While those are essential, there is a much cleaner, faster, and automation-friendly way to check the pulse of your MTA: Port 8080 . powermta monitoring 8080
Example telegraf.conf snippet:
http-listener listen-address :8080 # Restrict to localhost or your monitoring IP allow "127.0.0.1" allow "10.0.0.0/8" Integrate this with for instant alerts
#!/bin/bash METRICS=$(curl -s http://localhost:8080/pmta/stats) QUEUE_SIZE=$(echo "$METRICS" | grep "pmta.system.queue.size" | awk 'print $2') if [ "$QUEUE_SIZE" -gt 50000 ]; then echo "CRITICAL: PMTA queue > 50k messages" exit 2 elif [ "$QUEUE_SIZE" -gt 10000 ]; then echo "WARNING: Queue building up" exit 1 else echo "OK: Queue size $QUEUE_SIZE" exit 0 fi
Why You Shouldn’t Ignore Port 8080: A Guide to PowerMTA Monitoring Share it in the comments below
Many admins disable or overlook this port, thinking it’s just for a “nice-to-have” web interface. In reality, the PowerMTA HTTP monitoring endpoint (default port 8080) is your best friend for real-time observability.