There is a website named LOCKBIN which provides the facility
of sending message in encrypted format. The user can send all the credit card
or confidential information through it. This website uses AES-256 bit encryption
method, which is a strong one. Here, while composing encrypted email user will
attach password. Only authorized user can get access of the message, if he has
the right password. The most joyful thing is that you don’t need to register to
send messages in encrypted format. You can watch this video to see how to send encrypted message using lockbin without registration
