Use Case 1: User Logs in Successfully to Messaging Server

1. Email client sends login information to Messaging Server Multiplexor (MMP)

2. MMP requests verification of user ID and password from Directory Server.

3. Directory Server returns verification to MMP.

4. MMP requests message list from Messaging Server Message Store (STR).

5. STR requests user’s LDAP record from Directory Server.

6. Directory Server returns user’s LDAP record to STR.

7. STR returns message list to MMP.

8. MMP forwards message list to email client.