Mozilla Thunderbird is an email and newsgroup application. We recommend that you use it as your default email application.

• Computer/Processor: PowerPC Processor 604e 266MHz (Recommended: PowerPC Processor G4 667MHz)
• Operating System: OS X 10.1.x, OS 10.2.x and higher
• Memory: 64 MB of RAM (Recommended: 256 MB or more)
• Disk Space: 72 MB
• Additional Requirements: Internet connection

Download Mozilla Thunderbird from the Mozilla.org Web site at no charge.

Thunderbird FAQ