Powermta Monitoring 8080 Info

Why You Shouldn’t Ignore Port 8080: A Guide to PowerMTA Monitoring

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. powermta monitoring 8080

Let’s break down how to use it, what metrics matter, and how to set up proactive alerts. PowerMTA includes a built-in web server that exposes metrics via HTTP. When you see http-listener :8080 in your pmta/config file, you are looking at a live data stream of your MTA’s internal state. Why You Shouldn’t Ignore Port 8080: A Guide

After reloading PMTA ( pmta reload ), test it locally: PowerMTA includes a built-in web server that exposes

[[inputs.http]] urls = ["http://localhost:8080/pmta/stats"] data_format = "value" data_type = "string" [[processors.regex]] [[processors.regex.fields]] key = "body" pattern = "(\w+\.\w+\.\w+)\s+(\d+)" replacement = "$1:$2"

#!/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