Install Thunderbird on Centos 6.3 x86_64

First you need to install EPEL repo.Already you installed EPEL then  move to next steps otherwise you will install the EPEL repo from this link.

After installing the EPEL repo you will check availability of thunderbird use the following command

[root@manivel ~]# yum list thunderbird
 
Loaded plugins: fastestmirror, refresh-packagekit, security
Loading mirror speeds from cached hostfile
epel/metalink                                                                                    | 5.5 kB     00:00    
 * base: mirrors.digipower.vn
 * epel: mirror.neu.edu.cn
 * extras: mirror.vietoss.com
 * updates: 

mirror.vietoss.com

base                                                                                                   | 3.7 kB     00:00   
extras                                                                                                 | 3.4 kB     00:00   
google-chrome                                                                                   |  951 B     00:00   
linuxtech-release                                                                                | 2.6 kB     00:00   
updates                                                                                              | 3.4 kB     00:00   
Available Packages
thunderbird.x86_64           17.0.10-1.el6.centos                                updates 

Install Thunderbird using below command

[root@manivel ~]# yum install thunderbird
 
Loaded plugins: fastestmirror, refresh-packagekit, security
Loading mirror speeds from cached hostfile
 * base: centos-hn.viettelidc.com.vn
 * epel: mirror.neu.edu.cn
 * extras: mirror.vietoss.com
 * updates: mirror.vietoss.com
Setting up Install Process
Resolving Dependencies
--> Running transaction check
---> Package thunderbird.x86_64 0:17.0.10-1.el6.centos will be installed
--> Finished Dependency Resolution

Dependencies Resolved

========================================================================
 Package         Arch                       Version                    Repository             Size

Installing:
 thunderbird      x86_64                17.0.10-1.el6.centos       updates              38 M

Transaction Summary
========================================================================
Install       1 Package(s)

Total download size: 38 M
Installed size: 71 M
Is this ok [y/N]: y
Downloading Packages:
http://mirror.vietoss.com/CentOS/6.4/updates/x86_64/Packages/thunderbird-17.0.10-1.el6.centos.x86_64.rpm: [Errno 12] Timeout on http://mirror.vietoss.com/CentOS/6.4/updates/x86_64/Packages/thunderbird-17.0.10-1.el6.centos.x86_64.rpm: (28, 'Operation too slow. Less than 1 bytes/sec transfered the last 30 seconds')
Trying other mirror.
thunderbird-17.0.10-1.el6.centos.x86_64.rpm                                                                                                      |  38 MB     01:25   
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
  Installing : thunderbird-17.0.10-1.el6.centos.x86_64                                                                                                              1/1
  Verifying  : thunderbird-17.0.10-1.el6.centos.x86_64                                                                                                              1/1

Installed:
  thunderbird.x86_64 0:17.0.10-1.el6.centos                                                                                                                           

Complete!

Now you can open the thunderbird via command line

[root@manivel ~]# thunderbird 

If you want to open through graphical then Go to Applications ---> Internet ----> Thunderbird Email