Powermta Monitoring ~repack~

PowermTA Monitoring: Enhancing Email Infrastructure Reliability

• Fix: Aggregate by domain and source. Only alert on rate changes, not absolute values.

Log Parsing: Manually analyzing SMTP and error logs (usually in /var/log/pmta/) to identify granular issues. 3. Essential Monitoring Practices powermta monitoring

provide the "why." By analyzing these logs, you can uncover deeper performance issues. Transient Errors: Fix: Aggregate by domain and source

Example Prometheus metrics to emit (naming suggestions)

• pmta_delivery_totalstatus="delivered"
• pmta_bounce_totalsoft", code="5xx
• pmta_deferral_total
• pmta_throughput_msgs_per_second
• pmta_queue_depth
• pmta_queue_oldest_seconds
• pmta_smtp_response_codes_totalcode="550"
• pmta_dkim_pass_ratio
• pmta_spf_pass_ratio
• pmta_complaints_total
• host_cpu_percent, host_mem_percent

• Observium/LibreNMS (SNMP-based server monitoring)
• Zabbix (Template creation for pmta commands)
• DataDog (Custom agent check scripts)