Installing Zimbra 8.0.4 on CentOS 6.4 X64 – RHEL 6.4

Updated on March 16, 2018
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Zimbra Collaboration Suite (ZCS) is a groupware product created by Zimbra. It is widely used in the world. Users can share folders, contacts, schedules and other things, using a very rich web interface.

In this video tutorial, I will explain installing Zimbra Collaboration Server 8.0.4 – Open Source Edition on CentOS 6.4 X64 or RHEL 6.4

How to Install Zimbra 8 on CentOS 6 and RHEL 6

Installation Steps
1. yum update – Update your system
2. Install prerequisites
yum install sudo sysstat libidn gmp libtool-ltdl compat-glib vixie-cron nc perl libstdc++.i686

3. Modify /etc/hosts file and Also, be sure to setup a DNS MX record in your zone file localhost localhost.localdomain
#::1 localhost localhost.localdomain localhost6 localhost6.localdomain6 centos01.linuxlab.local centos01

4. Disable start-up services
4a. chkconfig postfix off
4b. service postfix stop
4c. chkconfig sendmail off
4d. service sendmail stop

5. /etc/sudoers – Comment “Defaults requiretty” out
# Defaults requiretty

6. Disable firewall or Allow zimbra ports
7a. chkconfig iptables off && chkconfig ip6tables off
7b. Configure Iptables Firewall
# enable zimbra ports
$iptables -A INPUT -m state –state NEW -m tcp -p tcp –dport 25 -j ACCEPT
$iptables -A INPUT -m state –state NEW -m tcp -p tcp –dport 80 -j ACCEPT
$iptables -A INPUT -m state –state NEW -m tcp -p tcp –dport 110 -j ACCEPT
$iptables -A INPUT -m state –state NEW -m tcp -p tcp –dport 143 -j ACCEPT
$iptables -A INPUT -m state –state NEW -m tcp -p tcp –dport 389 -j ACCEPT # -s
$iptables -A INPUT -m state –state NEW -m tcp -p tcp –dport 443 -j ACCEPT
$iptables -A INPUT -m state –state NEW -m tcp -p tcp –dport 465 -j ACCEPT
$iptables -A INPUT -m state –state NEW -m tcp -p tcp –dport 993 -j ACCEPT
$iptables -A INPUT -m state –state NEW -m tcp -p tcp –dport 995 -j ACCEPT
$iptables -A INPUT -m state –state NEW -m tcp -p tcp –dport 7071 -j ACCEPT # -s

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7. /etc/selinux/config – Disable SeLinux
Note: Reboot is required

8. Extract installation package to /tmp
tar xvf zcs-8.x.y.z.tgz

9. ./ – To Install ZCS
9a. Change domain name
9b. Change admin password – Type “3” and then “4”

10. Open your web browser and go to https://ZCS_IP_Address

11. To Check zimbra status
su – zimbra
zmcontrol status
12. To stop and start zimbra

su – zimbra
zmcontrol stop
zmcontrol start


Hope you found it informative and useful. Any questions or comments are welcomed.