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:
- Create the email message
- Choose the first server by priority
If you do that from your home, you may encounter the following problems:
- The port 25 is blocked by your Internet Service Provider (ISP)
- Your email will be rejected because you are not authentified meaning that:
- Your email is not signed with DKIM
From your desktop client configuration, Emails are: