Thunderbird 3 Beta in Ubuntu
Today it occurred to me that Thunderbird 2 is pretty old, so I looked into Thunderbird 3′s progress.
I stumbled across a thread on Nabble that contained a link to a mozilla PPA that included Thunderbird 3 Beta versions.
You can find it here:
PPA for Ubuntu Mozilla Daily Build Team
To install it, open a Terminal, then follow the steps below:
Backup your sources list:
sudo cp /etc/apt/sources.list /etc/apt/sources.list_bak |
Backup your Thunderbird 2 profile (if you’ve been using it):
mkdir /home/<username>/.mozilla-thunderbird_bak cp -R /home/<username>/.mozilla-thunderbird/* /home/<username>/.mozilla-thunderbird_bak/ |
Open the list in gedit:
sudo gedit /etc/apt/sources.list |
Scroll to the bottom of this file and paste the repository location (the selected lines in the below image). Make sure you select the version of Ubuntu that you’re using!

Save then close sources.list.
Add the GPG key:
sudo apt-key adv --recv-keys --keyserver keyserver.ubuntu.com EF4186FE247510BE |
Update package information:
sudo apt-get update |
If you get an error here, repeat the GPG key add step, replacing the above key with the key reported in the error message.
Now install Thunderbird 3!
sudo apt-get install thunderbird-3.0 |
When that’s done, you’ll be able to access it at: Applications -> Internet -> Shredder 3 Mail/News.
If you want to change the icon:
sudo gedit /usr/share/applications/thunderbird-3.0.desktop |
Replace the text following Icon= with a path to your image file. For example:
... Icon=/home/faceleg/.icons/hydroxygen/128x128/apps/thunderbird02.png ... |
Save and close the file.
Have fun!


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