Email or electronic mail is exchanging messages electronically from one person to another. It was one of the original features of the Internet that enabled researchers and scientists to communicate with each other. Today, it is one of the more popular features of the Internet.

Email has similarities to our postal system. To send a letter, you first compose it, address an envelope, put a stamp on it, and mail it.

With email, you compose a message with email software. You then enter an email address, and click the send button. Since email is delivered electronically, the person you send email to usually gets it in a matter of minutes.