Offline
Thunderbird is Mozilla's next generation e-mail client, incl. calendar/organizer (and address book).
Thunderbird makes e-mailing safer, faster, and easier than ever before with the industry's best implementations of features such as intelligent spam filters, a built-in spell checker, extension/add-on support, and much more. Thunderbird gives you a faster, safer, and more productive e-mail experience. We designed Thunderbird to prevent viruses and to stop junk mail so you can get back to reading your mail. Read on to find out more about the reasons why you should use Thunderbird as your mail client and RSS reader.
Easier to get started
* Migration Assistant
* Mail Account Setup Wizard
* One-click Address Book
* Attachment Reminder
* Activity Manager
Tabs and search
* Search the Web
* Quick Filter Toolbar
* Tabs
* Search Tools
* Message Archive
Customize your e-mail experience
* Thunderbird Look and Feel
* Add-ons/Extensions Manager
* Smart Folders
Secure and protect your e-mail
* Cutting Out the Junk
* Robust Privacy
* Phishing Protection
* Automated Update
