email system kab chalu hua hai yahan per options hai 1971,1972,1882,1975....?
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Electronic mail (email or e-mail) is a method of exchanging messages ("mail") between people ... Today's email systems are based on a store-and-forward model. ... use with its current meaning since at least 1975, and variations of the shorter E-mail have ... In 1971 the first ARPANET network email was sent
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