To get a full picture of your mail server's health, focus on these three categories: A. Deliverability Metrics
[PowerMTA Server] │ ├── pmta show stats ──cron──► Custom Python ──► InfluxDB │ ├── /var/log/pmta/*.log ──► Filebeat ──► Elasticsearch ──► Kibana (for log search) │ ├── HTTP JSON endpoint (:8080) ◄── Prometheus (scrape every 15s) │ └── SNMP ◄── Zabbix (for legacy integration) powermta monitoring
Prometheus ──► Grafana (dashboards) ──► Alertmanager ──► Slack/Email To get a full picture of your mail
Balance your "VMTA" settings to avoid hitting ISP rate limits. powermta monitoring
: Tracks the health of your sending IPs and manages automated warm-up schedules to prevent blacklisting. Postmastery Strategic Benefits Improve Email Delivery with PowerMTA's Defer-Job Setting