Unfortunately, sometimes email providers will identify them as nonimportant or spam because they contain words like "traffic" and "credits", and send them to your spam folder or don't deliver them at all. This is how you filter the email for different email providers, to be sure you get the valuable emails.
Using email filters and rules like this is not just a good way to make sure you get important information, but you can also create different folders and categories in your mailbox and automatically sort incoming mails to those folders with the filters you set up.
Also don't forget to go to the Account Settings page under the Account tab to make sure that you have ticked the box that says "Receive newsletter" at the bottom of the page.
Open the settings icon at the upper right-hand side of Gmail (the gear icon), and choose "Settings" from the list.
Open the Filters and Blocked Addresses tab.
Click the link called Create a new filter. If you already have lots of filters, you won't see this link until you scroll to the very bottom of the page.
In the "From" field, type the email address to whitelist, or the domain. I recommend adding the domain, foodgame.surf, but you can also add the email: email@example.com
Click "Create filter" at the bottom of that pop-up window to make the whitelist filter.
A new box opens that says "When a message arrives that matches this search", select "Never send it to spam".
Click the "Create filter" button.
Click on gear icon in the upper right corner of your Hotmail screen.
On the "Options" page under "Preventing junk email", click "Safe and blocked senders".
Click the link Safe senders on the next page.
Enter the email address firstname.lastname@example.org in the text box.
Click "Add to list".
Click "Options" at the top right of the navigation bar.
Select "Mail Options" from the list that drops down.
Choose "Filters" from the list that next appears and click on the "Add" button.
In the "Sender" field, select "Contains" in the dropdown list and write in the right field: foodgame.surf
Choose the destination folder, which would be the inbox.