QUICK Guide to Marking
The Real Authority 
as a safe sender in Apple Mail. 

Go to icloud.com and log in with your Apple ID

Now select "Contacts"

Click on the plus symbol (+) in the lower left and select "New Contact"

Enter @therealauthority.com. click on "Done" at the bottom right

The corresponding email address should now be on the whitelist

The same should of course also be the case if you create the contact on the iPhone and synchronize it with iCloud. So if you use the mail app on the iOS device under the same Apple ID as on other devices that you use for communication, then proceed as follows:

Opens the Mail app

Tap the plus (+) in the top right and add 

Add the following domain: @therealauthority.com

 That's it!