So I'll share what is likely the best there is.
As to explaining this, I hope you'll google PGP first.
iMac OS X 10.5 2 Leopard desktop 7.1 Intel Core 2 Due 2 GHZ
I wish to understand how to go about creating encryption on my my Mac Mail message to send?
Often I receive emails from banks that are encrypted, but how can carry out the same encryption.
Thanking you in anticiapation.