Months after Firefox 1.5’s official release, Mozilla today announced the availability of Thunderbird 1.5. If you are already a user of Thunderbird 1.5 RC1, it will soon be automatically be upgraded to the final release. Users of 1.5 RC2 already have 1.5 final.
Thunderbird 1.5 introduces several new features including a software update system, spell check as you type, built in phishing detector, auto save as draft, and support for deleting attachments from email messages. Message filtering has also been improved with new filter actions for replying and forwarding. Saved search folders can now search folders across multiple accounts.
Download here, release notes, announcement.


Have to download and try now!