Sun Java System Messaging Server 6.3 Administration Guide

27.6.1 Monitoring imapd, popd and httpd

These processes provide access to IMAP, POP and Webmail services. If any of these is not running or not responding, the service will not function appropriately. If the service is running, but is over loaded, monitoring will allow you to detect this and configure it more appropriately. Symptoms of imapd, popd and httpd Problems

Connections are refused or system is too slow to connect. For example, if IMAP is not running and you try to connect to IMAP directly you will see something like this:

telnet 0 143 Trying telnet: Unable to connect to remote host: Connection refused

If you try to connect with a client, you will get a message such as:

“Client is unable to connect to the server at the location you have specified. The server may be down or busy.” To Monitor imapd, popd and httpd