qwertyuiop. The first email was sent in 1971. He sent it to himself and the message read:Qwertyuiop all the letters on the top lineof your keyboard
Raymond Samuel tomlinson
Check out the related link of what may be the first spam email ever sent.
In 1971 the first ARPANET email was sent.
You cannot undo sent email ever. An email once sent cannot be retrieved back. It has reached the receiver and thus cannot be traced back.
Ray Tomlinson sent the first email in 1971.
It was at MIT in the early 1970's.