Attachment method Integer 32-bit signed 0 => None (No attachment) 1 => By value 2 => By reference 3 => By reference resolve 4 => By reference only 5 => Embedded message 6 => OLE
Original sensitivity Integer 32-bit signed the sensitivity of the message before being replied to or forwarded 0 = None 1 = Personal 2 = Private 3 = Company Confidential