Email also known as e-mail, is a technological resource that allows us to communicate from anywhere in the world through Internet. In 1971 Ray Tomlinson, an engineer at Bolt Beranek and Newman firm hired by the U.S. government to build the Arpanet (the precursor to Internet), had the idea of \u200b\u200bcreating a system to send and receive messages across the network . Tomlinson had written a program for developers of Arpanet messages were left on shared computers (15 in the whole national network). Playing with other protocol to transfer files between machines scattered throughout the network, noted that together could be used to access all mailboxes. The text of the first message sent by e-mail was something like "QWERTYUIOP (random keystrokes on the keyboard because of evidence) by its inventor and sent through a program called SNDMSG he wrote. 
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