View the status and debugging reports 
System->Reports
The Server can produce a number of reports to help determine both how
efficiently it is operating and to help diagnose operational problems.
The reports are divided into four categories-
Email Status reports:
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See who has mail waiting to be collected
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View the current mail queue
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What mail has been sent and received on the system
Internet access and Web Proxy (Squid) reports:
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How much time has the system spent on-line to the Internet
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Report on the Reliability of your ISP
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View the usage of the Web Proxy Report
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View the raw usage of the Web Proxy
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Examine what has 'Squid' has been doing
Debugging (technical) reports:
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What happened on the last dial-up
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Show the PPPD messages
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What happened on the last mail check
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View all calls to the Internet
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What programs are running on the system.
NAMED (DNS name resolution) reports:
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Enable "named" activity logging
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Disable "named" activity logging
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View an analysis of the "named" activity log
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View the raw "named" activity log