Okay folks...how does it look?
-------------------------------------
IF INGROUP ("accounting")
SELECT
CASE ($NT_mode = "yes")
WriteValue ("HKEY_CURRENT_USER\Software\Microsoft\Office\8.0\Outlook\OMI Account Manager\Accounts\00000001", "SMTP Reply To Email Address", @userid+"@companyname.com", "REG_SZ")

END SELECT
END IF