72 Mail User Access Service

The Mail User Access Service is an aggregate of all Mail services accessed by general users, including IMAP Service, NNTP Service, SMTP Service, POP Service, Read Web Application and Send Web Application.

72.1 Network

The Network category provides information about the data transferred between the clients and the various Mail User Access Services (i.e. IMAP Service, POP Service, SMTP Service, NNTP Service, Read Web Application and Send Web Application).

Note:

For target version 1.0, the collection frequency for each metric is every 15 minutes.

The following table lists the metrics and their descriptions.

Table 72-1 Network Metrics

Metric	Description
Total Client Connections (current)	Shows the total number of client connections on the various Mail User Access Services. This value is the sum of all open connections for IMAP Service, POP Service, SMTP Service, and NNTP Service.
Total Messages Received (current)	Measures the number of messages received by all the mail servers from all their respective mail clients. This value is the sum of all the messages received by IMAP Service, NNTP Service, and SMTP Service.
Total Messages Sent (current)	Measures the number of messages sent to various mail clients by their respective mail servers. This value is the sum of all the messages sent by SMTP Service and NNTP Service.

72.2 Resource Usage

The Resource Usage category provides information about the resources used.

Note:

For target version 1.0, the collection frequency for each metric is every 15 minutes.

The following table lists the metrics and their descriptions.

Table 72-2 Resource Usage Metrics

Metric	Description
Length of List Queue	Number of messages that are in the list server queue. The messages in this queue are sent to mailing lists and have to be processed by the list server.
Local Queue Length	Number of messages that are in the local delivery queue. The messages in this queue have to be processed by SMTP or list server.
Messages Being Processed	Number of messages that are currently being processed by the various Oracle Mail servers, including SMTP, list server, and NNTP.
Relay Queue Length	Number of messages that are in the relay queue. The messages in this queue have to be processed by the SMTP or list server.
Submit Queue Length	Number of messages that are in the submit queue. The messages in this queue have to be processed by the SMTP server.

72.3 Response

The Response category captures the response characteristics of all the Mail User Access services (i.e. IMAP Service, NNTP Service, POP Service, SMTP Service, Read Web Application and Send Web Application) as seen by a client application.

72.3.1 Status

This metric shows whether or not the clients are able to access emails through the mail services. Its status depends upon the status of all mail services (i.e. IMAP Service, NNTP Service, POP Service, SMTP Service, Read Service, and Send Service). The status is "up" only when all of these services are available.

72.4 Response Time

The Response Time category provides information about the average time taken to connect, login, read, and send emails from the various Mail User Access Services.

Note:

For target version 1.0, the collection frequency for each metric is every 15 minutes.

The following table lists the metrics and their descriptions.

Table 72-3 Response Time Metrics

Metric	Description
Avg. Connect Time (ms)	Average time taken by the mail servers to accept network connections from their clients. This value is computed by taking the average of the time taken by SMTP Servers, IMAP Servers, POP Servers, and NNTP Servers to accept connections from their clients.
Avg. Login Time (ms)	Average time taken by connected clients to log into their respective mail servers. This value is computed by taking the average of the login time of IMAP Service and POP Service.
Avg. Read Email Time (ms)	Average time taken to retrieve messages from the Oracle Collaboration Suite Database (mailstore) through various mail servers. This value is the average of the time taken for reading emails through IMAP Servers and POP Servers.
Avg. Send Email Time (ms)	Average time taken to transmit messages from the Oracle Collaboration Suite Database (mailstore) through various mail servers. This value is the average of the time taken for sending emails through the SMTP Servers.

72.5 Security

The Security category provides information about security related activities.

72.5.1 Refused Flood Connections

This metric shows the total number of connections refused by the mail servers. The value is the sum of all the connections refused by IMAP Server and POP Server.

Metric Summary

The following table shows how often the metric's value is collected.

Target Version	Evaluation and Collection Frequency
Version 1.0	Every 15 minutes