How does email work? A very in-depth explanation

The article on 'Explained from First Principles' offers a detailed explanation of how email technology works. The author begins with an outline of the history of email, highlighting its evolution from simple text messages to a complex system that serves millions of users worldwide. It then delves into the essential components that make email such an effective communication tool. The piece discusses the protocols crucial to the functioning of the email system, such as SMTP, IMAP, and POP3, along with their roles in message transmission. Finally, the article reflects on the future of email, noting emerging technologies that may impact its continued development and the challenges faced by this form of communication in the era of social media. Overall, it serves as a valuable resource for understanding how this important technology operates in today's world.