05/13/2018 (Sun) 07:24:32
Of course do this on your air gap and shuttle the messages and replies by floppy disk to your transmission workstation. Do encryption and decryption on an air-gap, and move the messages by floppy disk message sneaker net FDMSN . That should mess them up really good. If they can still get to your messages after that then re-evaluate the trustworthiness of the counter-party correspondent.