An email is a form of electronic communication used to exchange digital messages between individuals and organizations over the internet. It involves sending written messages, files, and other data to one or multiple recipients via email addresses. Each email contains a recipient(s), sender, subject, body, and optional attachments, transmitted through email servers to reach the intended recipients. Emails serve various purposes, such as personal communication, business interactions, document exchange, marketing, and more, making them a fundamental and widely adopted means of modern-day communication.