Install Mozilla Thunderbird 15 in Ubuntu/Linux Mint (New Release)

Install Latest Mozilla Thunderbird in Ubuntu 12.10 Quantal/Ubuntu 12.04 Precise/Ubuntu 11.10 Natty/Any Ubuntu Version/Linux Mint 13/12/10/Others

Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!

Fixes in Thunderbird

• Multi-Channel Chat: You now can enjoy real time conversation with your contacts, right from your favorite messaging application.
• Do Not Track: This option has been implemented as an addition to Search the Web.
• Ubuntu One is now supported in Filelink - the option to upload large attachments to online storage services.
• New User Interface: Thunderbird is replicating the new look and feel of Mozilla Firefox in an effort to provide a similar user experience across all Mozilla software desktop or mobile and all platforms.
• Various fixes and performance improvements
• Various security fixes

To install Thunder Bird 15 on Ubuntu/Linux Mint open Terminal (Press Ctrl+Alt+T) and copy the following commands in the Terminal:

Terminal Commands:
echo -e "\ndeb http://downloads.sourceforge.net/project/ubuntuzilla/mozilla/apt all main" | sudo tee -a /etc/apt/sources.list > /dev/null
sudo apt-get update
sudo apt-get install thunderbird-mozilla-build

That's it

Download ThunderBird 15 Source from Here, Also check this page for other OS.