Simple to use, powerful, and customizable, Thunderbird is a full-featured email application. Thunderbird supports IMAP and POP mail protocols, as well as HTML mail formatting. Easily import your existing email accounts and messages.

Each email you receive passes through Thunderbird's leading-edge junk mail filters.

Thunderbird protects you from increasingly common email scams?also known as ?phishing??which try to fool you into handing over your passwords and other personal information. Thunderbird will tell you when it thinks a message might be a scam.

Thunderbird provides enterprise and government grade security features including S/MIME, digital signing, message encryption, support for certificates and security devices. Attachments are never run without your express permission, protecting you from many worms and viruses.