The latest version of Thunderbird can be downloaded from Softpedia
Mozilla officially released Mozilla Thunderbird 17.0.3 for Linux, an email and RSS client, featuring just a few updates.This is just a minor update for Mozilla Thunderbird, as it can be easily seen from the small number of changes and fixes.
Mozilla Thunderbird 17.0.3 follows on the heels of Firefox 19.0, which also had some pretty interesting features.
Highlights of Mozilla Thunderbird 17.0.3:
• Attachments sometimes could not be removed from the composition window using the keyboard, this is now fixed;
• Several security fixes have been addressed;
• IMAP account option "Synchronize the most recent" was not saving the messages correctly;
• Account Mailbox now appears in Folder Pane if 'toolkit.telemetry.prompted' is set to 'True';
Checkout the official release notes for a complete list of changes and updates.
Download Mozilla Thunderbird 17.0.3 right now from Softpedia.