reference

• https://www.zimbra.com/documentation/zimbra-collaboration-open-source
• https://www.zimbra.com/downloads/zimbra-collaboration-open-source

tuto

• http://www.unixmen.com/install-zimbra-collaboration-suite-8-6-0-centos-7/
• http://imanudin.net/2014/10/05/how-to-install-zimbra-8-5-0-on-centos-7-part-1/
• https://www.kassianoff.fr/blog/fr/installation-de-zimbra-8-open-source-edition
• http://blog.revivalx.com/2015/03/10/how-to-install-zimbra-collaboration-suite-8-6-0-on-centos-7/
• http://blog.revivalx.com/2015/03/10/how-to-install-zimbra-collaboration-suite-8-6-0-on-centos-7/

[root@zmaild ~]# yum install perl perl-core ntpl nmap sudo libidn gmp libaio libstdc++ unzip sysstat sqlite wget -y

[root@zmaild ~]# wget https://files.zimbra.com/downloads/8.6.0_GA/zcs-8.6.0_GA_1153.RHEL7_64.20141215151110.tgz

[root@zmaild ~]# service postfix stop
Redirecting to /bin/systemctl stop  postfix.service
[root@zmaild ~]# systemctl disable postfix
rm '/etc/systemd/system/multi-user.target.wants/postfix.service'