Best for "state" monitoring (e.g., Is the service running? Is the disk 90% full?).

Monitoring isn't just about data; it's about the : Collect: Gather logs and XML status data.

: One of the most essential tips for optimization is enabling the logging of temporary (transient) errors. ISPs often return these when limits are reached; by monitoring them, you can adjust "IP seasoning" (warm-up) schedules and back-off modes to stay within sender limits.