These first messages were sent in late 1971. The next release of TENEX went out in early 1972 and included the version of SNDMSG with network mail capabilities. The CPYNET protocol was soon replaced with a real file transfer protocol having specific mail handling features. Later, a number of more general mail protocols were developed.

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Alice Liddell (Wikipedia) Alice Pleasance Hargreaves (née Liddell, /ˈlɪdəl/; 4 May 1852 – 16 November 1934) was an English woman who, in her childhood, was an acquaintance and photography subject of Lewis Carroll. One of the stories he told her during a boating trip became the classic 1865 children’s novel Alice’s Adventures in Wonderland. She shared her name with “Alice”, the story’s protagonist, but scholars disagree about the extent to which the character was based upon her.