This topic details the metrics for the POP3 service.
Availability - A POP3 service is reported to be available if the agent can connect to the POP3 server, and the POP3 server's response is of type "+OK".
All Inbound Connections - Number of inbound connections of all types to the service.
All Outbound Connections - Number of outbound connections of all types from the service.
Inbound Connections - Number of inbound TCP connections to the service.
Outbound Connections - Number of outbound TCP connections from the service.
Response Time - The time it took to determine service availability.
TCP connection state metrics - The number of connections in each connection state is reported: