3.If your contact has never used encrypted email, or uses encrypted email but does not have their lock on a public server, then go to the next tutorial, “Requesting my Friend’s Lock”.
4.Turn the encryption toggle on.
5.Compose your email just as you would a regular email, then click on send.
6.Make sure you see a preview of the encrypted email. If you do not see a preview, then click on “Cancel” and turn on the encryption toggle, then click on send again.