Mozilla Thunderbird 3.0 Free Download-the best open source mail client

Current version of the most popular open source mail client, Mozilla Thunderbird is out. Its Mozilla Thunderbird 3.0 Release Candidate 2. Based on my experience on using Mozilla Thunderbird 2.0, its much faster than other mail clients, even compared to Windows Live Mail, Thunderbird is much faster. Now in Thunderbird 3.0, there are many updates and improvements, like the fixes of many security issues.

Thunderbird 3 is based on the Gecko 1.9.1.5 platform including some major re-architecting to provide improved performance, stability, web compatibility, and code simplification and sustainability.

Download Thunderbird 3.0 for Windows (8.6 MB)

What’s new in Thunderbird 3.0:

New Mail Account Setup WizardThe new Mail Account Setup Wizard matches against a database of email settings from popular mail providers so that you will only need to provide your name, email, and password to set up new mail accounts.
Redesigned Mail ToolbarThe Mail Toolbar is redesigned to include the new Global Search bar. Buttons such as reply, forward, delete, junk are part of each email message. You can add those buttons back to the main toolbar by customizing the toolbar.
Tabbed Email MessagesDouble-clicking or hitting enter on a mail message will now open that message in a New Tab window. Middle-clicking on messages or folders will open them in a Tab in the background. When quitting Thunderbird, visible tabs will be saved and will be restored when you open Thunderbird the next time. There is also a new Tab menu on the Tab toolbar to help you switch between Tabs.
Smart FoldersThe folder pane offers a Smart Folders mode which combines special mailboxes, like Inbox, from multiple accounts. Smart Folders is now on by default.
New Message Summary ViewSelecting multiple messages will give you a summary view of the emails you have selected.

For complete list of features in Thunderbird 3.0, please refers to this webpage.