CERTIFID EXCHANGE OF ELECTRONIC MAIL (CEEM) A NON- REPUDIATION TO PROTECT BOTH ORIGINATOR AND RECIPIENT.

BASSAM ABDULAZIZ HAMMADI2022-06-022022-06-022878https://drepo.sdl.edu.sa/handle/20.500.14154/61346en-USCERTIFID EXCHANGE OF ELECTRONIC MAIL (CEEM) A NON- REPUDIATION TO PROTECT BOTH ORIGINATOR AND RECIPIENT.Thesis