Chapter 11. How Email Works
Electronic mail, or email, might be the most heavily used feature of the Internet. You can use it to send messages to anyone who is connected to the Internet or connected to a computer network that has a connection to the Internet, such as an online service. Millions of people send and receive email every day. Email is a great way to keep up with far-flung relatives, friends, co-workers in different branches of your company, and colleagues in your field.
Email messages are sent in the same way as most Internet data. The TCP protocol breaks your messages into packets, the IP protocol delivers the packets to ...
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