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nd UCLA connected for the first time. In effect, they were the first hosts on what would one day bee the Inter.lDARPA (Defense Advanced Research Projects Agency) contracts with BBN (Bolt, Beranek Newman) to create Arpa. Arpa work Email was first developed in 1971 by Ray Tomlinson, who also made the decision to use the symbol to separate the user name from the puter name (which later on became the domain name).1974 was a breakthrough year. A proposal was published to link like works together into a socalled interwork, which would have no central control and would work around a transmission