Editing GSTN - Zimbra Installation (section)

= ZIMBRA Installation Prerequisites: =

== Application Requirement: ==

* For Red Hat Enterprise operating systems, the server must have the following installed 



Perl perl-core nmap libidn gmp libaio libstdc++ unzip sysstat sqlite libreoffice libreoffice-headless.

<nowiki># yum install perl perl-core nmap libidn gmp libaio libstdc++ unzip sysstat sqlite</nowiki>* Libreoffice is installed only on mailbox servers.



<nowiki># yum install libreoffice libreoffice-headless</nowiki>

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[[Image:INSTALL5.png]][[Image:INSTALL6.png]]


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== Operating System:  ==

Red Hat 6 or above (RHEL 7.2 in current implemented version)

== DNS Configuration:  ==

When you create a domain 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.


* Install dns (bind) packages by below command:



<nowiki># yum install bind bind-chroot bind-utils</nowiki>






















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* Enable named service on system boot time by below command:



<div style="margin-left:0cm;margin-right:0cm;"><nowiki># systemctl enable named</nowiki></div>


[[Image:INSTALL11.png]]* Change listen-on-port and allow-query like below with required Ips who is allowed for query from this DNS.





[[Image:INSTALL12.png]]* Create zone file location configuration for domains like below,







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* Create forward zone file.





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* Once the required environment is set, Execute the command to stop Linux default send mail service.





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== Host file configuration. ==

Open /etc/hosts file and make below changes.


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