ZCS Single Server Quick Start, Network Edition 5.0 (Rev September 2008)
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Zimbra™ Collaboration Suite Single Server Installation Network Edition

Zimbra™ Collaboration Suite Single Server Installation Network Edition
The Zimbra Collaboration Suite includes the Zimbra MTA, the Zimbra LDAP server, and the Zimbra mailbox server. In a single-server installation, all components are installed on one server and require no additional manual configuration.
This installation guide is a quick start guide that describes the basic steps needed to install and configure the Zimbra Collaboration Suite in a direct network connect environment. In this environment, the Zimbra server is assigned a domain for which it receives mail, and a direct network connection to the Internet. When the Zimbra Collaboration Suite is installed, you will be able to log on to the Zimbra administration console to manage the domain and provision accounts. The accounts you create will be able to send and receive external email.
This guide includes the following sections:
Zimbra License Requirements for ZCS Network Edition
Important Notice About Single Server Installations
The Zimbra Collaboration Suite is designed to be the only application suite installed on the server. The Zimbra Collaboration Suite bundles and installs, as part of the installation process various other third party and open source software, including Apache Jetty, Postfix, OpenLDAP®, and MySQL®. The versions installed have been tested and configured to work with the Zimbra software. See the Administration Guide for a complete list of software.
A Zimbra license is required in order to create accounts on the Network Edition Zimbra Collaboration Suite server. You cannot install ZCS without a license. See “Zimbra License Requirements for ZCS Network Edition” .
Table 1 shows the default port settings when the Zimbra Collaboration Suite is installed.
 
Important: You cannot have any other web server, database, LDAP, or MTA server running, when you install the Zimbra software. If you have installed any of the applications before you install Zimbra software, disable these applications. During the ZCS install, Zimbra makes global system changes that may break applications that are on your server.
Installation Prerequisites
In order to successfully install and run the Zimbra Collaboration Suite, ensure your system meets the requirements described in this section. System administrators should be familiar with installing and managing email systems.
System Requirements
For the ZCS system requirements see Other Dependencies in System Requirements for Zimbra Collaboration Suite 5.0
Note: To find SSH client software, go to Download.com at http://www.download.com/ and search for SSH. The list displays software that can be purchased or downloaded for free. An example of a free SSH client software is PuTTY, a software implementation of SSH for Win32 and Unix platforms. To download a copy go to http:// putty.nl/.
Modifying Operating System Configurations
Configuration modifications for two of the most frequently used operating systems, Red Hat Enterprise Linux and Fedora, are described in this guide. The SUSE configuration would be similar to those described for the Red Hat Enterprise Linux. The Mac OS requires no additional modifications.
Other operating systems may require similar modifications, use this information as a reference to gauge whether your operating system may need to be modified. Also, search the Zimbra Forums and Zimbra Wiki.
Important: Zimbra recommends that the operating systems you use are updated with the latest patches that have been tested with ZCS. See the latest release notes to see the operating systems patch list that has been tested with ZCS.
Installation Modifications for Red Hat® Enterprise Linux®
The Zimbra Collaboration Suite runs on the Red Hat Enterprise Linux, version 4 operating system or later. When you install the Red Hat software for the Zimbra Collaboration Suite, except for the Disk Partition Setup, the Network Configuration, the Gateway and Primary DNS addresses, the Edit Interface, and the Firewall Configuration, accept the default setup answers. Details of what should be modified in these categories are listed below. Refer to the Red Hat Enterprise Linux installation guide for detailed documentation about installing their software.
Important:  
Disk Partitioning Setup. Check Manually partition with DiskDruid. The disk partition should be set up as follows:
The Mount Point/RAID Volume size for the Boot partition (/)should be 100 MB.
The Swap partition should be set to twice the size of the RAM on your machine.
The Root partition (/) should be set with the remaining disk space size.
 
Network Configuration>Network Devices>Hostname should be configured manually with the fully qualified hostname [mailhost.example.com] of the Zimbra server.
Enter the Gateway and Primary DNS addresses.
In the Edit Interface pop-up screen, check Activate on Boot. Enter the IP Address and Netmask of the device. This allows the interface to start when you boot.
Firewall Configuration should be set to No firewall, and the Security Enhanced Linux (SELinux) should be disabled.
Important: You will need to disable Sendmail in order to run the Zimbra Collaboration Suite. You can disable the Sendmail service with these commands: chkconfig sendmail off, service sendmail stop.
Important: Make sure that FQDN entry in /etc/hosts appears before the hostnames. If this is missing, the creation of the Zimbra certificate fails. The FQDN entry should look like this example. See zmcreatecert in the Administrator’s Guide, Appendix A: Command-Line Utilities.
 
127.0.0.1           localhost.localdomain localhost
your.ip.address         FQDN yourhostname
Installation Modifications for Fedora™
The Zimbra Collaboration Suite runs on the Fedora, Core 4 operating system. When you install the Fedora software for the Zimbra Collaboration Suite, except for the Disk Partition Setup, the Network Configuration, the Gateway and Primary DNS addresses, the Edit Interface, and the Firewall Configuration, accept the default setup answers. Details of what should be modified in these categories are listed below. Refer to the Fedora installation guide for detailed documentation about installing their software.
Disk Partitioning Setup. Check Manually partition with DiskDruid. The disk partition should be set up as follows:
The Mount Point/RAID Volume size for the Boot partition (/) should be 100 MB.
The Swap partition should be set to twice the size of the RAM on your machine.
The Root partition (/) should be set with the remaining disk space size.
Network Configuration>Network Devices>Hostname should be configured manually with the hostname name [mailhost.example.com] of the Zimbra server.
Enter the Gateway and Primary DNS addresses.
In the Edit Interface pop-up screen, check Activate on Boot. Enter the IP Address and Netmask of the device. This allows the interface to start when you boot.
Firewall Configuration should be set to No firewall, and the Security Enhanced Linux (SELinux) should be disabled.
Important: The following should also be considered before you install the Zimbra Collaboration Suite:
You must disable Sendmail in order to run the Zimbra Collaboration Suite application. The Sendmail command to stop the service is /etc/init.d/sendmail stop. To disable, enter chkconfig sendmail off. The Postfix command to stop the service is /etc/init.d/postfix stop. To disable, enter chkconfig postfix stop.
Make sure that FQDN entry in /etc/hosts appears before the hostnames. If this is missing, the creation of the Zimbra certificate fails. The FQDN entry should look like this example.
 
127.0.0.1           localhost.localdomain localhost
your.ip.address         FQDN yourhostname
Installation Modifications for Mac OS® Servers
No modifications are required for Mac OS servers, but Java 1.5 must be set as the default Java.
To set Java 1.5 as the default, follow these steps:
1.
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4.
Configure DNS
In order to send and receive email, the Zimbra MTA must be configured in DNS with both A and MX records. For sending mail, the MTA uses DNS to resolve hostnames and email-routing information. To receive mail, the MX record must be configured correctly to route the message to the mail server.
During the installation process, ZCS checks to see if you have an MX record correctly configured. If it is not, an error is displayed suggesting that the domain name have an MX record configured in DNS.
You must configure a relay host if you do not enable DNS. After ZCS is installed, go to the Global Settings>MTA tab on the administration console and uncheck Enable DNS lookups. Enter the relay MTA address to use for external delivery.
Note: Even if a relay host is configured, an MX record is still required if the ZCS server is going to receive email from the Internet.
Overview of Installation Process
When you run the install script, the Zimbra install verifies that the correct prerequisite packages are available to be installed.
Zimbra Core installs the libraries, utilities, and monitoring tools.
Zimbra LDAP installs the OpenLDAP software, which provides open source LDAP directory services.
Zimbra MTA installs the Postfix open source MTA, the Clam AntiVirus antivirus engine, the SpamAssassin junk mail filter, and the Amavisd-New content filter.
Zimbra Store installs the mailbox server, including Jetty, the servlet container for the Zimbra server.
Zimbra Spell installs the Aspell open source spelling checker.
Zimbra Apache is installed automatically when Zimbra Spell or Zimbra Convertd (See Note) is installed.
The zimbra-convertd package is a beta package for Network Edition customers that implements the ZCS 6.0 method of using convertd. For more information, contact Zimbra support.
Zimbra SNMP installs the SNMP package for monitoring. This package is optional.
Zimbra Logger installs tools for syslog aggregation, reporting, and message tracing. If you do not install Logger, you cannot use the message trace feature, the server statistics are not captures, and the server statistics section of the administration console does not display.
Zimbra Proxy installs the proxy feature which can be configured for POP and IMAP proxy and for reverse proxy HTTP requests. Using an IMAP/POP proxy server allows mail retrieval for a domain to be split across multiple Zimbra servers on a per user basis.
Zimbra Archiving installs the Zimbra Archiving and Discovery feature. This is an optional feature for ZCS Network Edition that offers the ability to store and search all messages that were delivered to or sent by ZCS. When this package is installed on the mail server, the cross mailbox search function is enabled. Using the Archiving and Discovery feature can trigger additional mailbox license usage. To find out more about Zimbra Archiving and Discovery, contact Zimbra sales.
The Zimbra server configuration is menu driven. The installation menu shows you the default configuration values. The menu displays the logical host name and email domain name [mailhost.example.com] as configured on the computer. You can change any of the values. For single server installs, you must define the administrator’s password, which you use to log on to the administration console, and you specify the location of the Zimbra license xml file.
Downloading the Zimbra Software
For the latest Zimbra software download, go to www.zimbra.com. Save the Zimbra Collaboration Suite archive file to the computer from which you will install the software.
Zimbra License Requirements for ZCS Network Edition
A Zimbra license is required in order to create accounts in the Network Edition Zimbra Collaboration Suite servers. A trial license and a regular license are available:Trial. You can obtain the trial license from the Zimbra license portal for free. The trial license allows you to create up to 50 users. It expires in 60 days.Regular. You must purchase the Zimbra Regular license. This license is valid for a specific Zimbra Collaboration Suite system and is encrypted with the number of Zimbra accounts (seats) you have purchased, the effective date, and expiration date of the regular license. Go to Zimbra’s Website to obtain a trial license from the Network Downloads area. Contact Zimbra sales to purchase a regular license, by emailing sales@zimbra.com or calling 1-650-212-7767, extension 100.The regular license can only be installed on the ZCS system for which it is purchased. Only one Zimbra license is required for your Zimbra Collaboration Suite environment.Current license information, including the number of accounts purchased, the number of accounts used, and the expiration date, can be viewed from Global Settings>License tab on the administration console.
Basic Configuration
The default configuration installs the Zimbra-LDAP, the Zimbra-MTA with anti-virus and anti-spam protection, the Zimbra mailbox server, the SNMP monitoring tools (optional), Zimbra-spell (optional), the logger tool (optional), and the Zimbra proxy (optional) on one server.
The menu driven installation displays the components and their existing default values. You can modify the information during the installation process.
The table below describes the menu options
1) Common Configuration - These are common settings for all servers
The LDAP host name. On a single server installation, this name is the same as the hostname.
LDAP Admin password
Select the time zone to apply to the default COS. The time zone that should be entered is the time zone that the majority of users in the COS will be located in. The default time zone is PST (Pacific Time).
Require secure interprocess communications
By default, startTLS is YES. When startTLS is enabled, there is a secure communication between amavis and postfix and the LDAP server.
If this is disabled, ZCS disables the use of startTLS with the LDAP server.
You can create one domain during installation and additional domains can be created from the administration console.
The default domain is the fully qualified hostname of the server. If you created a valid mail domain on your DNS server, enter it now. In most cases, you will accept the default.
LDAP Root password
This is the password used by the LDAP replication user to identify itself to the LDAP master and must be the same as the password on the LDAP master server.
This is the password used by the postfix user to identify itself to the LDAP server and must be configured on the MTA server to be the same as the password on the LDAP master server.
LDAP Amavis password
This is the password used by the amavis user to identify itself to the LDAP server and must be configured on the MTA server to be the same as the password on the LDAP server.
LDAP Nginx password
This is the password used by the nginx user to identify itself to the LDAP server and must be configured on the MTA server to be the same as the password on the LDAP server.
The administrator account is created during installation. This account is the first account provisioned on the Zimbra server and allows you to log on to the administration console.
You must set the admin account password. The password is case sensitive and must be a minimum of six characters. The administrator name, mail address, and password are required to log in to the administration console.
Enable automated spam training
By default, the automated spam training filter is enabled and two mail accounts are created.
1. Spam Training User to receive mail notification about mail that was not marked as junk, but should have been.
2. Non-spam (HAM) Training User to receive mail notification about mail that was marked as junk, but should not have been.
These addresses are automatically configured to work with the spam training filter. The accounts created have a randomly selected name. To recognize what the account is used for, you may want to change this name.
The Global Documents account is automatically created when ZCS is installed. The Global Documents account holds the templates and the default Documents Notebook. The Documents feature is enabled for the COS or for individual accounts
The default port configurations are shown
Web server mode — Can be HTTP, HTTPS, Mixed, Both or Redirect.
Mixed mode uses HTTPS for logging in and HTTP for normal session traffic
Both mode means that an HTTP session stays HTTP, including during the login phase, and an HTTPS session remains HTTPS throughout, including the login phase.
Redirect mode redirects any users connecting via HTTP to an HTTPS connection.
Use spell checker server, default Yes (if installed)
Spell server URL: http://<example.com>:7780/aspell.php
License file nameUnset (Network Edition). The license file must be saved to the server in order to add it to ZCS during the install process. Enter the name and location for the Zimbra license file to have the license installed as part of the installation.
MTA Auth host — This is configured automatically if the MTA authentication server host is on the same server, but must be configured if the authentication server is not on the MTA.
Enable Spamassassin — Default is enabled.
Enable ClamAV — Default is enabled.
Notification address for AV alerts — Sets the notification address for AV alerts. You can either accept the default or create a new address. If you create a new address, remember to provision this address from the admin console.
Note: If the virus notification address does not exist and your host name is the same as the domain name on the Zimbra server, the virus notifications queue in the Zimbra MTA server cannot be delivered.
Bind password for Postfix LDAP user. Automatically set.This is the password used by the postfix user to identify itself to the LDAP server and must be configured on the MTA server to be the same as the password on the LDAP master server.
Bind password for Amavis LDAP user. Automatically set. This is the password used by the amavis user to identify itself to the LDAP server and must be configured on the MTA server to be the same as the password on the LDAP server.
5) zimbra-snmp (optional)
Enable SNMP notifications — The default is Yes.
Enable SMTP notification — The default is Yes.
When installed, it is automatically enabled. Logs from the hosts are sent to the mailbox server where zimbra-logger is installed and the information is used to generate the statistics graphs and for message tracing.
This menu section lists major new features for the ZCS release and whether the feature is enabled or not. When you change the feature setting during ZCS installation, you change the default COS settings Having this control, lets you decide when to introduce new features to your users.
Enable default backup schedule
For Network Edition only, sets the schedule for Backup session to run as a full backup every Sunday at 1 a.m. and as incremental on the other days at 1 a.m.
When the installation and configuration is complete, if this is set to Yes, the Zimbra server is automatically started.
Installing Zimbra Software
For servers other than Mac servers, open an SSH session to the Zimbra server and follow the steps below.
For Macs, see “Installing Zimbra Software on a Mac Server” .
1.
Log in as root to the Zimbra server and cd to the directory where the Zimbra Collaboration Suite archive tar file is saved (cd /var/<tmp>). Type the following commands:
tar xzvf [zcsfullfilename.tgz], to unpack the file
cd [zcsfullfilename] to change to the correct directory.
./install.sh, to begin the installation
The install.sh script reviews the installation software to verify that the Zimbra packages are available.
 
[root@mailhost tmp]# tar xzvf zcs.tgz
zimbra-archiving...NOT FOUND
    zimbra-convertd...NOT FOUND
    zimbra-cluster...NOT FOUND
    zimbra-core...NOT FOUND
Screenshots in this guide are examples of the Zimbra installation script. The actual script may be different.
2.
The installation process checks to see if Sendmail, Postfix, and MySQL software are running. If any of these applications are running, you are asked to disable them. Disabling MySQL is optional but highly recommended. Sendmail and Postfix must be disabled for the Zimbra Collaboration Suite to start correctly.
3.
The Zimbra software agreement is displayed and includes a link to the license terms for the Zimbra Collaboration Suite. Please read the agreement and press Enter to continue.
 
PLEASE READ THIS AGREEMENT CAREFULLY BEFORE USING THE SOFTWARE. ZIMBRA, INC. ("ZIMBRA") WILL ONLY LICENSE THIS SOFTWARE TO YOU IF YOU FIRST ACCEPT THE TERMS OF THIS AGREEMENT. BY DOWNLOADING OR INSTALLING THE SOFTWARE, OR USING THE PRODUCT, YOU ARE CONSENTING TO BE BOUND BY THIS AGREEMENT. IF YOU DO NOT AGREE TO ALL OF THE TERMS OF THIS AGREEMENT, THEN DO NOT DOWNLOAD, INSTALL OR USE THE PRODUCT.
      perl-5.8.5 FOUND standard system perl-5.8.5
4.
Next, the installer checks to see that the prerequisite software is installed. If the prerequisite software packages are not installed, the install process stops. You must fix the problem and start the installation over. See Other Dependencies in System Requirements for Zimbra Collaboration Suite 5.0
5.
Select the services to be installed on this server. To install Zimbra Collaboration Suite on a single server, enter Y for the ldap, logger, mta, snmp, store, and spell packages. If you use IMAP/POP Proxy, enter Y for the Zimbra proxy package.
For the cross mailbox search feature, install the Zimbra Archive package. To use the archiving and discovery feature, contact Zimbra sales.
6.
Type Y and press Enter to modify the system. The selected packages are installed on the server.
 
Install zimbra-archive [N] N
Note: Before the configuration starts, the installer checks to see if the hostname is resolvable via DNS. If there is an error, the installer asks if you would like to change the hostname. We recommend that the domain name have an MX record configured in DNS.
7.
At this point, the Main menu displays the default entries for the Zimbra component you are installing. To expand the menu to see the configuration values, type X and press Enter. The main menu expands to display configuration details for the package being installed. Values that require further configuration are marked with asterisks (****) to their left
.
     +Hostname: mailhost.example.com
     +Ldap master host: mailhost.example.com
     +Ldap port: 389