Electronic mail – E-mail, Email, e-mail or email – is the exchange of digital messages operating across computer networks, primarily the Internet today, between individuals or groups of people. The earliest use of digital messages began in 1960s and a decade later it had taken on the more recognizable form known as email. However, the origin of the term ’email’ is rather quirky; any electronic document transmission in the early days was broadly called electronic mail – e.