ZCS Administrator Guide 8.0
ZCS Administrator Guide 8.0
Open Source Edition


Planning for the Installation > Zimbra Packages

Zimbra Packages
Zimbra architecture includes open-source integrations using industry standard protocols. The third-party software has been tested and configured to work with the Zimbra software.
The following describes the Zimbra packages that are installed.
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Zimbra Core. This package includes the libraries, utilities, monitoring tools, and basic configuration files. Zimbra Core is automatically installed on each server.
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Zimbra LDAP. User authentication is provided through OpenLDAP® software. Each account on the Zimbra server has a unique mailbox ID that is the primary point of reference to identify the account. The OpenLDAP schema has been customized for ZCS. The Zimbra LDAP server must be configured before the other servers. You can set up LDAP replication, configuring a master LDAP server and replica LDAP servers.
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Zimbra Store. The Zimbra store includes the components for the mailbox server, including Jetty, which is the servlet container the Zimbra software runs within. The Zimbra mailbox server includes the following components:
Data store. The data store is a MySQL® database.
Message store. The message store is where all email messages and file attachments reside.
Index store. Index and search technology is provided through Lucene. Index files are maintained for each mailbox.
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Zimbra MTA. Postfix is the open source mail transfer agent (MTA) that receives email via SMTP and routes each message to the appropriate Zimbra mailbox server using Local Mail Transfer Protocol (LMTP). The Zimbra MTA also includes the anti-virus and anti-spam components.
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Zimbra SNMP. Installing the Zimbra SNMP package is optional. If you choose to install zimbra-SNMP for monitoring, this package should be installed on every Zimbra server.
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Zimbra Logger. Installing the Zimbra Logger package is optional and is installed on one mailbox server. The Zimbra Logger installs tools for syslog aggregation and reporting. If you do not install Logger, the server statistics section of the administration console will not display.
Note:
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Zimbra Spell. Installing the Zimbra Spell package is optional. Aspell is the open source spell checker used on the Zimbra Web Client.
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Zimbra Apache. This package is installed automatically when Zimbra Spell is installed.
The Zimbra server configuration is menu driven. The installation menu displays the default configuration values. The menu displays the logical host name and email domain name [example.com] as configured for the computer.
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