The Server Status Content pane lists all installed servers and services, including the services for MTA, mailbox, logger, SNMP, anti-spam, anti-virus, and LDAP. The status, 
for on or 
for off, is displayed, along with the time the status last changed.
In order to see the status data, the Zimbra logger package must have been installed on one of the Zimbra mailbox servers.
Each server can have one or more services running on it. The services that are monitored include:
LDAP
Mailbox
MTA
SNMP
Anti-virus
Anti-spam
Logger
Spell
You can turn services on or off from the Servers>Services page.
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