Orange Business Services (France Telecom Group) has agreed to add RPost's Registered E-mail services to its messaging platform, to extend accountability and protection to e-mail sent from Orange business customers to other parties. Orange joins AT&T, British Telecom Infonet, Sprint, and others in signing on as alliance providers of RPost Registered E-mail services to corporate and government clients. Orange provides IT and telecom services to 3,750 multinational organizations world wide, including over two-thirds of the world's largest companies.