http://biteproof.com
The steps to configure your mailbox on your blackberry may vary slightly according to which model you have.
Select the Setup button from the home screen
Select Email Settings
Click the Add button
Select Other
Enter your Email Address and Password then click Next
Select I will provide the settings and click Next
Enter the Required info and click Next
Click OK
There are no requirement to add an outgoing server as your mobile device will use BlackBerries SMTP server