The @ legacy of Ray Tomlinson

I was sad to learn of the death of Ray Tomlinson on March 5. For those who don’t know, Ray was the engineer who figured out how to send email between computers in 1971. Part of that effort was the selection of the at sign (@) as the delimitation between personal account name and email domain for addressing messages.

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Posted in Arpanet, BBN, email history, Exchange Server 2013, Exchange Server 2016, mail routing, Office 365, Ray Tomlinson, SMTP, X.400.