How to create custom emails using DNS for free

You registered your domain, it has been hosted somewhere for free as GitHub Pages, Netlify, Firebase, Heroku ou Back4app and now would like to have an email with your name@yourdomain without cost? If you have a business, having an email like contact@yourdomain is excential. It is very easy and quick to do this and you only need to have access to edit the DNS of your domain! Let’s go to the tutorial using the Zoho Mail!