http://www.mozilla.org/products/thunderbir...5beta1.html#new
QUOTE
Here's what's new in Thunderbird 1.5 Beta 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.
* Spell check as you type.
* 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.
* Improvements to product usability including redesigned options UI, and SMTP server management.
* Many security enhancements
* 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.
* Spell check as you type.
* 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.
* Improvements to product usability including redesigned options UI, and SMTP server management.
* Many security enhancements
I'm using it at home and the spell check as you type is nice. I'm glad to see they've added the phising detector, too. I should be getting a supposed security warning from "eBay" any day now, so I'm curious to see how the TBird beta will handle it.