It also should be noted, though, that there is a bug in Corporate Sync (Motorola is aware of it, and they plan on releasing a fix in the next maintenance update) that requires a pin to unlock your phone, whether your server rules require it or not:

https://supportforums.motorola.com/thread/34587

Motorola has been suggesting that users try the Touchdown app in the interim, but I think the free version is only good for 30 days.