How does the email system work? SMTP, POP, IMAP explained


This page gives you the foundations of the email system.

At the end, you should be able to understand why when you configure your email client, you need to set up:

How is an email delivered?

If you want to deliver an email to [email protected], you need to:

If you do that from your home, you may encounter the following problems:

That's why most of the time people send their emails from a fixed SMTP server known as a MTA (Message Transfer Agent)

From your desktop client configuration, Emails are:

How do you read your email?

Your emails are read from the inbox via a Pop/Imap server and transmitted to your desktop client.

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