Note: To add or edit settings for your email accounts, including account display name and signature, tap Setup 
> Email Accounts > Internet Mail Account. Highlight an email address, press 
> Edit, and make your changes. Tap Save to save your changes.
UsingtheBlackBerryEnterpriseServerOption
If your system administrator has provided you with an Enterprise Activation password, you can set up your supported email account directly from your BlackBerry device.
1.Tap Setup 
> Email Accounts > Enterprise Account.
2.Under Account Activation, type your supported corporate email address.
3.Type the Enterprise Activation password provided by your system administrator, and then tap Activate.
12 Using Email on Your BlackBerry 9930