v3.1 configuration example
Prometheus queue metrics
Review and adapt this example to your topology, product version and security requirements.
mail_queue_messages{server="mx1",queue="deferred"} 1240
mail_delivery_acceptance_ratio{provider="gmail"} 0.982
mail_delivery_deferral_ratio{provider="microsoft"} 0.061Important: replace example addresses, credentials, hostnames and paths. Validate syntax before deployment.