So you want to check your corporate email from your Blackberry or perhaps use other server side options, in that case you simply need to follow a few quick steps to setup your account.
1. On the home screen choose the Applications icon
2. Bring yourself over to Options
3. Choose Advanced Options
4. Press Enterprise Activation
5. Enter your Email Address followed by your Server Password
That's all there is too it, another simple process to gain access to your companies Blackberry Server.