S/MIME interoperability with external clients:

Sets the value for the corresponding UI option.

Supported on: At least Windows Vista
Behavior for handling S/MIME messages:


  1. Handle internally
    Registry HiveHKEY_CURRENT_USER
    Registry PathSoftware\Policies\Microsoft\Office\12.0\Outlook\Security
    Value NameExternalSMime
    Value TypeREG_DWORD
    Value0
  2. Handle externally
    Registry HiveHKEY_CURRENT_USER
    Registry PathSoftware\Policies\Microsoft\Office\12.0\Outlook\Security
    Value NameExternalSMime
    Value TypeREG_DWORD
    Value1
  3. Handle if possible
    Registry HiveHKEY_CURRENT_USER
    Registry PathSoftware\Policies\Microsoft\Office\12.0\Outlook\Security
    Value NameExternalSMime
    Value TypeREG_DWORD
    Value2


outlk12.admx

Administrative Templates (Computers)

Administrative Templates (Users)