Thunderbird is a free and powerful email application that makes it easier to organize, secure and customize your mail.

Keep Your Vital Information Organized
Thunderbird features many new enhancements to help you better manage your unruly inbox, and stay informed. Thunderbird scales to the most sophisticated organizational needs while making it easy to find what you need.

Secure and Protect Your Mail
Mozilla has bolstered Thunderbird's acclaimed security and privacy measures to ensure that your communications and identity remain safe. It's like having your own security guard online.

Get Your Mail, Your Way
Thunderbird allows you to customize your email to suit your specific needs whether it's how you search and find messages or listening to music right out of your inbox.

Thunderbird is released under the MPL (Mozilla Public License).

Here are some key features of "Thunderbird":

· The ability to customize your toolbars the way you want them. Choose View / Toolbars / Customize inside any window.
· UI extensions can be added to Mozilla Thunderbird to customize your experience with specific features and enhancements that you need. Support for extensions. Extensions allow you to add features particular to your needs such as offline mail support. A full list of available extensions can be found here.
· A new look and feel. Thunderbird also supports a large number of downloadable themes which alter the appearance of the client.
· An addressing sidebar for mail compose which makes it easy and convenient to add address book contacts to emails.
· Online help includes a FAQ, tips and tricks and other useful information.
· Simplified preferences UI and menus.
· Footprint and performance improvements.

Requirements:

· Macintosh computer with an Intel x86 or PowerPC G3, G4, or G5 processor
· 128 MB RAM (Recommended: 256 MB RAM or greater)
· 200 MB hard drive space

What's New in This Release: [ read full changelog ]

· Several fixes to improve stability.
· Fixed a security issue: MFSA 2012-10 use after free in nsXBLDocumentInfo::ReadPrototypeBindings.