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Email Basics

What Is Email?

Email is short for “electronic mail.” It's a way to send and receive messages using electronic devices. Think of it like sending a letter, but instead of using paper and a stamp, you use a computer, phone, or tablet. The message travels through the internet and arrives in someone's digital mailbox almost instantly.

email

noun

A system for sending messages from one computer user to another, typically via a network.

Unlike a text message or a chat, emails are often used for more formal or detailed communication. They're a cornerstone of modern life, used for everything from keeping in touch with family to applying for jobs and managing projects at work.

Email is a powerful, reliable channel for communication with your members.

A Brief History

Before the internet as we know it, there was ARPANET, a U.S. government computer network. In 1971, a computer programmer named Ray Tomlinson was experimenting with a way to send messages between different computers on this network.

He created a program that could do just that. To make it work, he needed a way to specify both the user's name and the computer they were on. He chose the @ symbol to separate the two, simply because it wasn't a common character in names or computer programs. And with that, the first email address format was born.

Ray Tomlinson sent the first network email to himself. He reportedly doesn't remember what it said, guessing it was something like "QWERTYUIOP".

What started as a simple tool for a handful of researchers quickly grew. By the 1990s, with the rise of the commercial internet, email became a global phenomenon, connecting millions of people around the world.

Anatomy of an Email Address

Every email address has two main parts, separated by the @ symbol. Let's break down an example: hello@example.com.

  1. Username: This is the part before the @ symbol. It identifies a specific mailbox within a domain. It could be your name, a nickname, or any combination of letters and numbers.
  2. Domain Name: This is the part after the @ symbol. It tells you where the mailbox is located, usually the name of the email service provider (like gmail.com) or the organization (like nasa.gov).

The Basic Structure

Just like a traditional letter, an email message has a standard structure that helps organize the information.

PartPurpose
FromThe sender's email address. This is usually filled in automatically.
ToThe recipient's email address. This is who the email is for.
SubjectA short, clear summary of what the email is about.
BodyThe main content of your message. This is where you write your letter.
SignatureAn optional block of text at the end, often with your name and contact info.

Getting these basic parts right is the first step to writing clear and effective emails. A good subject line, for instance, tells the recipient exactly what to expect before they even open your message.

Ready to check your understanding? Let's try a few questions.

Quiz Questions 1/5

What is the full term for 'email'?

Quiz Questions 2/5

In the email address hello@example.com, what part is the 'domain name'?

That covers the fundamentals of what email is and how it's structured. Now you have the foundation for sending and receiving your own messages.