This dashboard parses data from the Prometheus Postfix exporter and renders it in various graphics. Data can be aggregated across all mailservers or on a subset. Supports per-daemon message processing rate, queue message counts and sizes, delivery duration, rejection rates and TLS cipher usage.
Originally written by @BartVerc by adapted to normal exporter metrics by @anarcat.
Contributions to this dashboard are welcome on: https://gitlab.com/anarcat/grafana-dashboards