With SSSE, Is it possible to ......

prevent it from syncing to an employee who is NOT sync enabled, but is included in the Employee list on an activity?  My understanding of the process is that SSSE sends the activity, including the Employee list, to the activity Owner's mailbox.  Exchange then processes the appointment as if the Employees list was the "Invitees list" and sends them all the invite and creates a temporary appt in their calendar as a placeholder.  We have a need for certain individuals to see these activities in their Siebel calendar, but NOT in their Outlook calendars.  Can and how could this be