A typical setup for Directory Sync involves the following steps:
1. Collect required information about your LDAP server and the Postini filtering service.
2. Install the directory sync utility.
3. Step through Configuration Manager to configure synchronization.
4. In Configuration Manager, simulate a synchronization.
5. Revise configuration in Configuration Manager based on the simulation. This could take several revisions for complex environments.
6. When the simulation is successful, save your final copy of the configuration file.
7. In the command line, run a manual synchronization with the configuration file you created to update the message security service.
8. Using your server’s scheduling tools, set up automatic scheduled synchronization.