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World First E-Mail

Written By Easy Life on Thursday, June 13, 2013 | 6/13/2013 09:37:00 AM

The first email was sent between the two machines.

The first email was sent between the two machines. They were (obviously) side-by-side, but the only connection between them was through the ARPANET. In the foreground is BBN-TENEXA (BBNA for short). Host names in 1971 had no .com or dot anything; DNS came along later. BBNA was the machine on which the first email was received. In the background is BBN-TENEXB (BBNB) from which the first email was sent. On the left, foreground, is the Teletype KSR-33 terminal on which the first email was printed. Immediately behind and largely obscured is another KSR-33 on which the first email was typed.BBNA was a Digital Equipment Corporation KA10 (PDP-10) with 64K (36-bit) words of (real magnetic) core memory. In modern measure, that's 288 KBytes. BBNB was smaller with only 48K words. Both machines ran the TENEX time-sharing monitor.
He was also the first person to put “@” in the email. He did that because this sign wasn’t used that much anywhere else. The first email address was “tomlinson@bbn-tenexa.” BBN was the name of Mr. Tomlinson’s employer and “tenexa” was the name of the operating system that was used. What exactly was the first email message is lost. 

(source: http://openmap.bbn.com/~tomlinso/ray/home.html)
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