It was in 1979 that I saw the first of what came to be known as advance fee frauds - where someone has an account with a huge amount of money that can only be released to you. I wish I still had it: it was handwritten in three different colours for emphasis and had us all creased up.
When Ferdinand Marcos was deposed there was a a stream of letters asking for help in dealing with the 100 tonnes of gold that was allegedly held in his name.
The arrival of email just widens the target audience - the gullible and the careless.