Personal Email
BlackBerry
Internet Service email provides wireless “push” delivery and access up to 10 supported personal and work email accounts including MSN
, Yahoo! , GMail , Earthlink
and many other popular ISP and personal email providers.
How to set up supported email accounts from your BlackBerry Curve. 1. From the Home screen, click the BlackBerry Setup icon.
2.On the BlackBerry Setup screen, click the Personal Email Setup icon. 
3.Roll the trackball, scroll down and click Create New Account.
4.Read the BlackBerry Internet Service terms and conditions carefully, and if you agree, then scroll to and click Yes to accept.
5.Type the following information in the Account Setup screen: User Name & Password.
6.You now have the option to add up to 10 supported Internet email accounts and/or create an optional BlackBerry email address.
How to compose email
1.From the Home screen, click on the Messages icon. 
2.Press the Menu key, scroll to and click Compose Email. 
3.Type an email address or contact in the To: field.
4.Type the Subject.
5. Type your message, click the trackball and click Send.
For more information on message settings, filters, and shortcuts, press the Menu key while in the Messages screen and then click on Help.