This section details the metrics for the IMAP service.

  • Availability - The IMAP service type is considered available if the agent can establish a socket connection with the IMAP server, issue a response and receive a response of type "OK".

  • Connection Metrics

    • 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:

    • CLOSE_WAIT

    • CLOSED

    • ESTABLISHED

    • FIN_WAIT_1

    • FIN_WAIT_2

    • LAST_ACK

    • LISTEN

    • SYN_RECEIVED

    • SYN_SEND

    • TIME_WAIT