How to Install Zimbra Mail Server on CentOS 7

0
Zimbra Mail Server Setup

Mail Server is one of the important and critical Server for any organization as most of business communication done via emails only. which provides services such as LDAP, SMTP, POP and IMAP, webmail client, calendaring, tasks, antivirus, antispam and others. In this i am going to you how to install Install Open Source Zimbra Mail Server (ZCS 8.8.10) on CentOS 7

Prerequisites of Zimbra Mail Server (ZCS)

  • Minimal CentOS 7
  • 8 GB RAM
  • At least 5 GB Free Space on /opt
  • FQDN (Fully Qualified Domain Name), in my case it is “mail.vkttech.com”
  • A & MX record for your Server

Vps Server

The second thing you will need is a VPS server. a public server to install & Setup SMTP.

In My Post i Am Using Digitalocean Vps Server.

Here is a list of some companies:

  1. Turnkey internet.
  2. Contabo.
  3. OVH.
  4. Digital Ocean*

In this article we will demonstrate how to install Open Source ZCS 8.8.10 on a CentOS 7.

Step:1) Login to CentOS 7 and apply updates.

Login to your CentOS 7 Server and apply the latest updates using following yum command and then reboot,

~]# yum update -y ; reboot

After the reboot, set the hostname of your server, in my case I am setting it as “mail.vkttech.com”

~]# hostnamectl set-hostname "mail.vkttech.com"
~]# exec bash

Add the following lines in  /etc/hosts file,

First Install = yum install nano -y

[root@mail ~]# nano /etc/hosts

192.168.0.108 mail.vkttech.com mail

After configuring the hostname, verify the A and MX is configure for your domain using dig command,

[root@mail ~]# dig -t A mail.vkttech.com
[root@mail ~]# dig -t MX vkttech.com

Step:2) Install Zimbra dependencies using yum

Run the below command to install Zimbra / ZCS dependencies

[root@mail ~]# yum install unzip net-tools sysstat openssh-clients perl-core libaio nmap-ncat libstdc++.so.6 wget -y

Step:3) Download latest version of Zimbra (ZCS 8.8.10) using wget command

Create a folder with the name “zimbra”

[root@mail ~]# mkdir zimbra && cd zimbra

Use below wget command to download the latest version of ZCS 8.8.10 from the terminal,

[root@mail zimbra]# wget https://files.zimbra.com/downloads/8.8.10_GA/zcs-8.8.10_GA_3039.RHEL7_64.20180928094617.tgz --no-check-certificate

Step:4 Install Zimbra / ZCS 8.8.10

Extract the downloaded tgz file of  ZCS 8.8.10 using the beneath tar command

[root@mail zimbra]# tar zxpvf zcs-8.8.10_GA_3039.RHEL7_64.20180928094617.tgz

Go to extracted folder and run the install script,

[root@mail zimbra]# cd zcs-8.8.10_GA_3039.RHEL7_64.20180928094617
[root@mail zcs-8.8.10_GA_3039.RHEL7_64.20180928094617]# ./install.sh

Once we run above install script then we will get text-based installation wizard, to Accept the license, press Y

Operations logged to /tmp/install.log.92OcKO6s
Checking for existing installation...
    zimbra-drive...NOT FOUND
    zimbra-imapd...NOT FOUND
    zimbra-patch...NOT FOUND
    zimbra-mta-patch...NOT FOUND
    zimbra-proxy-patch...NOT FOUND
    zimbra-license-tools...NOT FOUND
    zimbra-license-extension...NOT FOUND
    zimbra-network-store...NOT FOUND
    zimbra-network-modules-ng...NOT FOUND
    zimbra-chat...NOT FOUND
    zimbra-talk...NOT FOUND
    zimbra-ldap...NOT FOUND
    zimbra-logger...NOT FOUND
    zimbra-mta...NOT FOUND
    zimbra-dnscache...NOT FOUND
    zimbra-snmp...NOT FOUND
    zimbra-store...NOT FOUND
    zimbra-apache...NOT FOUND
    zimbra-spell...NOT FOUND
    zimbra-convertd...NOT FOUND
    zimbra-memcached...NOT FOUND
    zimbra-proxy...NOT FOUND
    zimbra-archiving...NOT FOUND
    zimbra-core...NOT FOUND


----------------------------------------------------------------------
PLEASE READ THIS AGREEMENT CAREFULLY BEFORE USING THE SOFTWARE.
SYNACOR, INC. ("SYNACOR") WILL ONLY LICENSE THIS SOFTWARE TO YOU IF YOU
FIRST ACCEPT THE TERMS OF THIS AGREEMENT. BY DOWNLOADING OR INSTALLING
THE SOFTWARE, OR USING THE PRODUCT, YOU ARE CONSENTING TO BE BOUND BY
THIS AGREEMENT. IF YOU DO NOT AGREE TO ALL OF THE TERMS OF THIS
AGREEMENT, THEN DO NOT DOWNLOAD, INSTALL OR USE THE PRODUCT.

License Terms for this Zimbra Collaboration Suite Software:
https://www.zimbra.com/license/zimbra-public-eula-2-6.html
----------------------------------------------------------------------



Do you agree with the terms of the software license agreement? [N] y

Now Configure the Zimbra package repository and select the all Zimbra Components to install.

Use Zimbra's package repository [Y] y

Importing Zimbra GPG key

Configuring package repository

Checking for installable packages

Found zimbra-core (local)
Found zimbra-ldap (local)
Found zimbra-logger (local)
Found zimbra-mta (local)
Found zimbra-dnscache (local)
Found zimbra-snmp (local)
Found zimbra-store (local)
Found zimbra-apache (local)
Found zimbra-spell (local)
Found zimbra-memcached (repo)
Found zimbra-proxy (local)
Found zimbra-drive (repo)
Found zimbra-imapd (local)
Found zimbra-patch (repo)
Found zimbra-mta-patch (repo)
Found zimbra-proxy-patch (repo)


Select the packages to install

Install zimbra-ldap [Y] y

Press Y to modify the System,

Select the packages to install

Install zimbra-ldap [Y] y 
Install zimbra-logger [Y] y 
Install zimbra-mta [Y] y 
Install zimbra-dnscache [Y] y 
Install zimbra-snmp [Y] y 
Install zimbra-store [Y] y 
Install zimbra-apache [Y] y 
Install zimbra-spell [Y] y 
Install zimbra-memcached [Y] y 
Install zimbra-proxy [Y] y 
Checking required space for zimbra-core Checking space for zimbra-store Checking required packages for zimbra-store zimbra-store package check complete. Installing: zimbra-core zimbra-ldap zimbra-logger zimbra-mta zimbra-dnscache zimbra-snmp zimbra-store zimbra-apache zimbra-spell zimbra-memcached zimbra-proxy zimbra-drive zimbra-imapd zimbra-patch zimbra-mta-patch zimbra-proxy-patch zimbra-chat

After pressing Y, it will download the Zimbra related packages and it can take time depending upon on your internet speed.

Once all the Zimbra packages are installed in the backend then we will get the below window,

The system will be modified.  Continue? [N] y

Beginning Installation - see /tmp/install.log.92OcKO6s for details...

                          zimbra-core-components will be downloaded and installed.
                          zimbra-common-core-jar will be installed.
                         zimbra-common-core-libs will be installed.
                         zimbra-common-mbox-conf will be installed.
                   zimbra-common-mbox-conf-attrs will be installed.
                    zimbra-common-mbox-conf-msgs will be installed.
                  zimbra-common-mbox-conf-rights will be installed.
                           zimbra-common-mbox-db will be installed.
                         zimbra-common-mbox-docs will be installed.
                   zimbra-common-mbox-native-lib will be installed.
                            zimbra-timezone-data will be installed.
                                     zimbra-core will be installed.
                          zimbra-ldap-components will be downloaded and installed.
                                     zimbra-ldap will be installed.
                                   zimbra-logger will be installed.
                           zimbra-mta-components will be downloaded and installed.
                                      zimbra-mta will be installed.
                      zimbra-dnscache-components will be downloaded and installed.
                                 zimbra-dnscache will be installed.
                          zimbra-snmp-components will be downloaded and installed.
                                     zimbra-snmp will be installed.
Last metadata expiration check: 0:00:56 ago on Sat 01 Aug 2020 01:56:00 AM EDT.
                       zimbra-jetty-distribution will be downloaded and installed.
                         zimbra-store-components will be downloaded and installed.
                   zimbra-mbox-admin-console-war will be installed.
                                zimbra-mbox-conf will be installed.
                                 zimbra-mbox-war will be installed.
                             zimbra-mbox-service will be installed.
                          zimbra-mbox-store-libs will be installed.
                       zimbra-mbox-webclient-war will be installed.
                                    zimbra-store will be installed.
                        zimbra-apache-components will be downloaded and installed.
                                   zimbra-apache will be installed.
                         zimbra-spell-components will be downloaded and installed.
                                    zimbra-spell will be installed.
Last metadata expiration check: 0:01:07 ago on Sat 01 Aug 2020 01:56:00 AM EDT.
                                zimbra-memcached will be downloaded and installed.
                         zimbra-proxy-components will be downloaded and installed.
                                    zimbra-proxy will be installed.
Last metadata expiration check: 0:01:18 ago on Sat 01 Aug 2020 01:56:00 AM EDT.
                                    zimbra-drive will be downloaded and installed (later).
                                    zimbra-imapd will be installed.
Last metadata expiration check: 0:01:20 ago on Sat 01 Aug 2020 01:56:00 AM EDT.
                                    zimbra-patch will be downloaded and installed (later).
Last metadata expiration check: 0:01:22 ago on Sat 01 Aug 2020 01:56:00 AM EDT.
                                zimbra-mta-patch will be downloaded and installed (later).
Last metadata expiration check: 0:01:23 ago on Sat 01 Aug 2020 01:56:00 AM EDT.
                              zimbra-proxy-patch will be downloaded and installed (later).
Last metadata expiration check: 0:01:27 ago on Sat 01 Aug 2020 01:56:00 AM EDT.
                                     zimbra-chat will be downloaded and installed (later).

Downloading packages (11):
   zimbra-core-components
   zimbra-ldap-components
   zimbra-mta-components
   zimbra-dnscache-components
   zimbra-snmp-components
   zimbra-jetty-distribution
   zimbra-store-components
   zimbra-apache-components
   zimbra-spell-components
   zimbra-memcached
   zimbra-proxy-components
      ...done

Removing /opt/zimbra
Removing zimbra crontab entry...done.
Cleaning up zimbra init scripts...done.
Cleaning up /etc/security/limits.conf...done.

Finished removing Zimbra Collaboration Server.


Installing repo packages (11):
   zimbra-core-components
   zimbra-ldap-components
   zimbra-mta-components
   zimbra-dnscache-components
   zimbra-snmp-components
   zimbra-jetty-distribution
   zimbra-store-components
   zimbra-apache-components
   zimbra-spell-components
   zimbra-memcached
   zimbra-proxy-components
      ...
1) Status:                                  Enabled
   2) Create Admin User:                       yes
   3) Admin user to create:                    admin@mail.centos7.lan
** 4) Admin Password                           UNSET
   5) Anti-virus quarantine user:              virus-quarantine.7xi47__k@mail.centos7.lan
   6) Enable automated spam training:          yes
   7) Spam training user:                      spam.wasleuiv@mail.centos7.lan
   8) Non-spam(Ham) training user:             ham.wzmkmrkq@mail.centos7.lan
   9) SMTP host:                               mail.centos7.lan
  10) Web server HTTP port:                    8080
  11) Web server HTTPS port:                   8443
  12) Web server mode:                         https
  13) IMAP server port:                        7143
  14) IMAP server SSL port:                    7993
  15) POP server port:                         7110
  16) POP server SSL port:                     7995
  17) Use spell check server:                  yes
  18) Spell server URL:                        http://mail.centos7.lan:7780/aspell.php
  19) Enable version update checks:            TRUE
  20) Enable version update notifications:     TRUE
  21) Version update notification email:       admin@mail.centos7.lan
  22) Version update source email:             admin@mail.centos7.lan
  23) Install mailstore (service webapp):      yes
  24) Install UI (zimbra,zimbraAdmin webapps): yes

Select, or 'r' for previous menu [r] 4 # Select 4 to set admin password Password for admin@mail.centos7.lan (min 6 characters): [54mE0RmqN] enter admin password here

Now Press 7 and then 4 to set admin user password,

Main menu

   1) Common Configuration:
   2) zimbra-ldap:                             Enabled
   3) zimbra-logger:                           Enabled
   4) zimbra-mta:                              Enabled
   5) zimbra-dnscache:                         Enabled
   6) zimbra-snmp:                             Enabled
   7) zimbra-store:                            Enabled
   8) zimbra-spell:                            Enabled
   9) zimbra-proxy:                            Enabled
  10) Default Class of Service Configuration:
   s) Save config to file
   x) Expand menu
   q) Quit

*** CONFIGURATION COMPLETE - press 'a' to apply

Now press “r” to go to previous menu and then press “a” to apply the changes.

Once all the changes are applied and Zimbra related services are started then we will get the output something like below,

Open the ports in the firewall in case os firewall is running on your server

Installing and Enabling FirewallD #

  1. Firewalld is installed by default on CentOS 7, but if it is not installed on your system, you can install the package by typing:
sudo yum install firewalld
sudo systemctl start firewalld
sudo systemctl enable firewalld
[root@mail ~]# firewall-cmd --permanent --add-port={25,80,110,143,443,465,587,993,995,5222,5223,9071,7071}/tcp
success
[root@mail ~]# firewall-cmd --reload
success
[root@mail ~]#

Step:5) Access Zimbra Admin Portal & Web Mail Client

To access the Zimbra Admin Portal, type below URL in Web Browser

https://mail.vkttech.com:7071/

To access Zimbra Mail Web Client, type the following URL in the browser

https://mail.vkttech.com.com

Enter Your Username And PassWord

Note: For both the URLs we can use user name as “admin” and password that we set during the installation

Step:6) Troubleshooting Zimbra Services and Logs

There can be some scenarios where some zimbra services might be stopped, to find zimbra services status from command line, run the following command,

[root@mail ~]# su - zimbra
Last login: Sun Oct  7 14:59:48 IST 2018 on pts/0
[zimbra@mail ~]$ zmcontrol status
Host mail.vkttech.com
        amavis                  Running
        antispam                Running
        antivirus               Running
        dnscache                Running
        imapd                   Running
        ldap                    Running
        logger                  Running
        mailbox                 Running
        memcached               Running
        mta                     Running
        opendkim                Running
        proxy                   Running
        service webapp          Running
        snmp                    Running
        spell                   Running
        stats                   Running
        zimbra webapp           Running
        zimbraAdmin webapp      Running
        zimlet webapp           Running
        zmconfigd               Running
[zimbra@mail ~]$

To restart the Zimbra Services use the following command,

[zimbra@mail ~]$ zmcontrol restart
Host mail.vkttech.com
        Stopping zmconfigd...Done.
        Stopping imapd...Done.
        Stopping zimlet webapp...Done.
        Stopping zimbraAdmin webapp...Done.
        Stopping zimbra webapp...Done.
        Stopping service webapp...Done.
        Stopping stats...Done.
        Stopping mta...Done.
        Stopping spell...Done.
        Stopping snmp...Done.
        Stopping cbpolicyd...Done.
        Stopping archiving...Done.
        Stopping opendkim...Done.
        Stopping amavis...Done.
        Stopping antivirus...Done.
        Stopping antispam...Done.
        Stopping proxy...Done.
        Stopping memcached...Done.
        Stopping mailbox...Done.
        Stopping logger...Done.
        Stopping dnscache...Done.
        Stopping ldap...Done.
Host mail.vkttech.com
        Starting ldap...Done.
        Starting zmconfigd...Done.
        Starting dnscache...Done.
        Starting logger...Done.
        Starting mailbox...Done.
        Starting memcached...Done.
        Starting proxy...Done.
        Starting amavis...Done.
        Starting antispam...Done.
        Starting antivirus...Done.
        Starting opendkim...Done.
        Starting snmp...Done.
        Starting spell...Done.
        Starting mta...Done.
        Starting stats...Done.
        Starting service webapp...Done.
        Starting zimbra webapp...Done.
        Starting zimbraAdmin webapp...Done.
        Starting zimlet webapp...Done.
        Starting imapd...Done.
[zimbra@mail ~]$

All the log files for Zimbra server are kept under the folder “/opt/zimbra/log”

Note: In my case postfix was already installed and running on my centos 7 server because of that Zimbra MTA service was getting stopped and failed. To resolve this issue, I have to stopped and disable the postfix service and then restart Zimbra service using the “zmcontrol” command. When you are done with Zimbra testing and want to uninstall it from the system, then run the “install.sh” script followed by “-u

[root@mail ~]# cd /root/zimbra/zcs-8.8.10_GA_3039.RHEL7_64.20180928094617
[root@mail zcs-8.8.10_GA_3039.RHEL7_64.20180928094617]# ./install.sh -u

Generate DKIM key on Zimbra
su zimbra
[zimbra@mail root]$ /opt/zimbra/libexec/zmdkimkeyutil -a -d vkttech.com

All Done .