What year did the queen first send an e-mail?

Question

see title for details

Answer 1

A list of 80 facts was released for the Queen's 80th birthday. It indicated she first sent an email in 1976 to a British army base. The contents of the email are unknown.

Answer 2

According to a list of 80 facts about the Queen released by Buckingham Palace to mark her 80th birthday on April 21, 2006, Queen Elizabeth sent her first email as long as 30 years ago. No details of the email were included, except that it was sent from a British army base in 1976.

Answer 3

1967

Answer 4

Never