bduncan writes: "RFC-821 and the sister RFC-822 are 30 years old this month. Remembering back to times when it was common to see teletypes for *fast* interoffice communication and a huge email (if you had access) might be anything over 5K." Link to Original Source
Reality must take precedence over public relations, for Mother Nature
cannot be fooled.
-- R.P. Feynman