How to install and configure Zimbra mail server
Installation and configuration of Zimbra mail server
Zimbra is an open source mail server to send and receive mails. This setup is handled by main agent called Mail Transfer Agent (MTA). Installation and configuration of Zimbra mail server is explained in this tutorial.
Mail server categories
- SMTP - handles all the outgoing mails
- POP3 / IMAP - handles all the incoming mails
- Mail filtering - handles processing the email to organise according to specific criteria ( i.e for filtering mails )
To install Zimbra Mail server
Zimbra Mail server handles all the incoming and the outgoing mails. It uses SMTP and POP3 / IMAP protocols. It supports all the linux distribution. Here, we are going to install zimbra in CentOS.
Now create an entry in /etc/hosts file with the IP and the domian name. Here, we are setting the IP as 192.168.7.19 and hostname as mail.linuxhelp.com
[root@mail ~]# vim /etc/hosts
192.168.7.19 mail.linuxhelp.com mail
The domain name must start only with ' mail' .
Once the basic setups are completed, download the zimbra tar file from its official website,
https://www.zimbra.com/downloads/zimbra-collaboration-open-source/
Choose the respective distribution and download the file.
The tar package will be downloaded to Downloads directory.
[root@mail Downloads]# cd Downloads [root@mail Downloads]# ls &ndash l total 873584 -rw-r&mdash r-- 1 root root 894543081 May 24 13.35 zcs-8.6.0_GA_1153.RHEL_64.20141215151155.tgz
By default, zimbra will be installed in /opt location. So move the tar package to /opt location and extract over there.
[root@mail Downloads]# mv zcs-8.6.0_GA_1153.RHEL_64.20141215151155.tgz /opt
[root@mail Downloads]# cd /opt
[root@mail opt]# tar -xvf zcs-8.6.0_GA_1153.RHEL_64.20141215151155.tgz
[root@mail opt]# cd zcs-8.6.0_GA_1153.RHEL_64.20141215151155
[root@mail zcs-8.6.0_GA_1153.RHEL_64.20141215151155]# ls -l
drwxr-xr-x 2 root root 8020 Dec 16 2014 docs
-rwxr-xr-x 1 root root 8020 Dec 16 2014 install.sh
drwxr-xr-x 2 root root 8020 Dec 16 2014 packages
.
.
.
Run the installation script ./install.sh to install the zimbra.
[root@mail zcs-8.6.0_GA_1153.RHEL_64.20141215151155]# ./install.sh
Once the installation process is started, it ask for the License Agreement. Give yes and continue.
The packages mentioned in the below image will be downloaded in your system which is necessary for zimbra. Give yes to proceed with the installation.
Since we have not created any MX record for this domain, it displays the following DNS error to mail.linuxhelp.com domain.
To know how to create a new MX record in cPanel/WHM, visit
https://www.linuxhelp.com/how-to-create-mx-record-in-whmcpanel/
After creating the MX record retry with the same step and the following message appears.
Port conflict error can be solved after the zimbra is installed.
To set the admin password
In the admin password category you can set the password. Type 7 to continue, then type 4 to set the admin password for zimbra.
Type your password and enter r to proceed with next step.
To apply the configuration, press a. Type yes to all the questions to continue with the configuration.
Now the Zimbra is successfully installed.
Open the browser and navigate to https://mail.linuxhelp.com or https://< IP_address>
You will get the home page and all the configurations is to be made in the Admin console. Go to Drop-down at the right corner and select Admin console.
Enter the same login credentials used at first, to open the Admin console page.
Once its logged in, you can see that few services are not running.
To run those services, Open the terminal and check the status of zimbra to know the exact service which is stopped.
[root@mail zcs-8.6.0_GA_1153_RHEL6_64.20141215151155]# service zimbra status
Its confirmed that mta service is not running. At first, restart zimbra.
[root@mail zcs-8.6.0_GA_1153_RHEL6_64.20141215151155]# service zimbra restart
And check the services like httpd, postfix and named.
[root@mail zcs-8.6.0_GA_1153_RHEL6_64.20141215151155]# service postfix status
master is stopped
[root@mail zcs-8.6.0_GA_1153_RHEL6_64.20141215151155]# service httpd status
httpd is stopped
[root@mail zcs-8.6.0_GA_1153_RHEL6_64.20141215151155]# service named status
named is running
httpd and postfix/sendmail service should be stopped.
Finally check the status of zimbra again.
[root@mail zcs-8.6.0_GA_1153_RHEL6_64.20141215151155]# service zimbra status
You can find that all the services are active.
Now go to the Admin console page and refresh.
To add user or domain
After all the services are active, go to Manage, then click Settings&rarr New to add the user.
Now enter the user name, password and other details to create a new user.
Once you hit the Finish button, a new account will be created.
Now send a mail from the user account to the admin account for checking the Zimbra mail.
The mail is successfully received in Admin account.
Now i can send emails internally and its good and i can also receive emails sent from gmail to my zimbra but im unable to send mails to gmail. what could be the problem ?