Zimbra is a well known collaboration suite which includes email, calendaring, file sharing, activity streams, social communities and more. The most popular product from Zimbra is Zimbra Collaboration Server. Zimbra Collaboration Server comes with two version: Network Edition and Open Source Edition (FOSS). This documentation shows a simple way to install Zimbra Collaboration Server Open Source Edition in CentOS 6.5.
###Getting Started
Prepare the system
# yum update
Disable SELinux
# vi /etc/sysconfig/selinux
SELINUXTYPE=disabled
Disable firewall
# service iptables stop
# service ip6tables stop
# chkconfig iptables off
# chkconfig ip6tables off
Disable postfix
# service postfix stop
# chkconfig postfix off
Edit hosts file
# vi /etc/hosts
192.168.1.91 your.zimbra-domain.com
Install dependencies
# yum install nc wget nano make nc sudo sysstat libtool-ltdl glibc perl ntp
Edit ntp configuration file
# vi /etc/ntp.conf
#server 3.centos.pool.ntp.org iburst
server your.ntp-server.com iburst
Start ntpdate service
# service ntpdate start
# chkconfig ntpdate on
Make sure you have setup your NS records for your ZCS
your.zimbra-domain.com IN A 192.168.1.91
IN MX 10 your.zimbra-domain.com
###Zimbra Installation
Download zimbra collaboration server open source edition from here
# cd /tmp
# wget http://files2.zimbra.com/downloads/8.0.6_GA/zcs-8.0.6_GA_5922.RHEL6_64.20131203103705.tgz
Extract ZCS
# tar zxvf zcs-8.0.6_GA_5922.RHEL6_64.20131203103705.tgz
Install ZCS and follow the instructions
# cd zxvf zcs-8.0.6_GA_5922.RHEL6_64.20131203103705
# ./install.sh
Set http for web access
# su zimbra
$ zmtlsctl http
$ zmcontrol restart
Now you can access your new ZCS installation in http://your.zimbra-domain.com/.