Man took over thousands years to create and to develop his phonetics abilities with the purpose of emitting intelligible sounds. He also took thousands of years to develop written system and some hundred of years to create the electronic means of communication. At the twentieth century the Internet wascreated wich added another method of communication among people.

Communication is a human needs in that brings unanswered questions such as confidentiality, integrity, availability, authentication methods and a nonrepudiation policies from sent and received e-mail messages.

Inserted in this contex, this paper focus on the safety communication among people through e-mail, analyzing all the implied questions above.

Click here for download this white paper in PDF, work of after graduation in Management of the Security of the Information carried through in the IPEN - Instituto de Pesquisas Energéticas e Nucleares / USP - Universidade de São Paulo (IPEN - Institute of Energy and Nuclear Research / USP - University of São Paulo), authorship of Silvio Bullara and Vitor Hugo Jacob.

This work was classified with five stars for the Modulo Security, first company of security of the information in certified world ISO 27001, and ISO 9001, being published with prominence in the Home Page during some weeks, as well as in the area of academic works and also in newslettres.

Currently one meets published, beyond this site in the Ministério Público do Mato Grosso (Public prosecution service of the State Mato Grosso Brazil) and also in the site of the Comite Executivo de Comércio Eletrônico (Executive Comite of Electronic Commerce of the Secretariat of Industrial Technology of the Brazilian Federal Government).

Below some screenshots of sites where already the work was published: