Configuring Thunderbird Settings
After installing the latest Thunderbird software from http://www.uni.edu/its/us/software 
Launch the c:\Program Files\Thunderbird.exe program and configure Thunderbird Settings
Step 1 – Setup Email Account:
Step 11 – Add UNI Directory for Email and Telephone Number Lookup:
Step 12: Prior to this make an Email folder within your My Documents folder (makes it easy to backup)
Step 13: Click on Outgoing Server (SMTP) Highlight the Outgoing Server then click Edit
Step 14: Make SMTP secure and authenticated
Click ‘OK’ and then go to the ‘Tools’ menu and select ‘Options’.
Uncheck the box so that the Thunderbird Start Page is not shown.