1- Log into your customer area from the following link: https://www.heberjahiz.com/client
2- In the horizontal menu, click on "My domain", then click on "Email/MX".
3- Add the following Google MX records:
4- Add each MX record as displayed on the screenshot below:
5- Then click on "Validate".
6- Once the MX records are added, you must wait a few hours for the DNS propagation time.