This document provides an overview of email, including what it is, how to send and receive emails, attachments, mailing lists, and e-greeting cards. It discusses common email providers like Gmail, Outlook, and Yahoo Mail. It also covers email etiquette, safety, and resources for learning more about using email. Key aspects include that email allows digital messages to be sent over the internet, common email providers are free to use, and attachments, mailing lists, and e-cards are additional email features. Safety tips are also provided around viruses, spam, and phishing scams.