GPO Template for Office 2003 - will it apply to 2007/2010 clients?

We are trying to disable client side spam filtering in our organization. (enterprise level spam filter instead)

I found an article discussing how to disable spam filter on the client side via Group Policy, which uses a template built around Office 2003.

Problem is, we also have users running Outlook 2007 and Outlook 2010.

It seems like we would be covered to fix Outlook 2003 users, but will we need additional Templates to affect the rest of the users?