Electronic mail called e-mail was started in the late 1960's by the armed forces of the United States of America.The army or military officers were looking for a way that communications could be carried out in the event of a large-scale nuclear war.They needed a system that would be very decentralized,reliable,and fast in case central institution were destroyed.They came up with e-mail.
In the early 1970's e-mail was limited to the United State military,defense contractors and communities.Buy the 1980's academics in a number of university disciplines were using e-mail for professional collaboration.They early 1990's saw an explosion of the use of e-mail and other computer networking tools for a wide range of professional,academic,and personal purposes.Whereas a few throughout the world were using it.