Use Case 2: Portal Server Displays Email and Calendar Information

1. After successful log in, authentication, and retrieval of portal configuration, Portal Server requests email messages from Messaging Server MMP.

2. MMP requests message list from Messaging Server STR.

3. STR returns message list to MMP.

4. MMP forwards message headers to Portal Server.

5. Portal Server requests calender information from Communications Express.

6. Communications Express requests calendar information from Calendar Server backend.

7. Calendar Server backend returns calendar information to Communications Express.

8. Communications Express forwards calendar information to Portal Server.

9. Portal Server sends all channel information to web browser client.