Some of our e-mails tend to go straight to the spam folder, this will help you to be always updated and receive all relevant information regarding your account without any restrictions.
Log in to your Gmail account
Access this link: https://contacts.google.com/ and click Create contact.
Select Create a contact.
Fill in the name.
Insert our email address: email@example.com.
Going forward, emails from the same sender will go directly into your primary inbox.