Thunderbird 1.5 RC 1

[bionic]

Here's what's new in Thunderbird 1.5 RC 1:

Automated update to streamline product upgrades. Notification of an update is more prominent, and updates to Thunderbird may now be half a megabyte or smaller. Updating extensions has also improved.
Sort address autocomplete results by how often you send e-mail to each recipient.
Spell check as you type.
Saved Search Folders can now search across multiple accounts.
Built in phishing detector to help protect users against email scams.
Podcasting and other RSS Improvements.
Deleting attachments from messages.
Integration with server side spam filtering.
Reply and forward actions for message filters.
Kerberos Authentication.
Auto save as draft for mail composition.
Message aging.
Filters for Global Inbox.
Improvements to product usability including redesigned options interface, and SMTP server management.
Many security enhancements.


Linky

[bionic]

What's new:

Automated update to streamline product upgrades. Notification of an update is more prominent, and updates to Thunderbird may now be half a megabyte or smaller. Updating extensions has also improved.
Sort address autocomplete results by how often you send e-mail to each recipient.
Spell check as you type.
Saved Search Folders can now search across multiple accounts.
Built in phishing detector to help protect users against email scams.
Podcasting and other RSS Improvements.
Deleting attachments from messages.
Integration with server side spam filtering.
Reply and forward actions for message filters.
Kerberos Authentication.
Auto save as draft for mail composition.
Message aging.
Filters for Global Inbox.
Improvements to product usability including redesigned options interface, and SMTP server management.
Many security enhancements.

http://www.mozilla.org/products/thun...eases/1.5.html