One method of exchanging digital messages, which is designed to become a human being. The message must contain the sender's address, and the content is at the recipient's address.
One method of exchanging digital messages. Which is primarily designed for human use. The message must contain content The sender's address And address of the recipient
A method of exchanging digital. Which designed for human use as the core. The message must contain content, return address, and the address of the recipient.