G Suite is our recommended solution for 3rd party email platforms. 

Please note that Google changes their workflow and design often, so the steps below may not be 100% accurate at the time of reading.  For the most up to date documentation from Google on this topic, please reference their documentation here: https://support.google.com/a/answer/172171?hl=en&ref_topic=2705493

To verify your G Suite Account please follow these instructions -

Go to https://gsuite.google.com/products/gmail/ and click on "Get Started":

Google also provides a free service for you to have them help you with the setup: Set up G Suite for your organization

Verification Process:

Now it is time to add one of the ways provided by Google for the "Verification Step" -


2. TXT Record:

Login to the admin of your website and go to Developers >> cPanel Dashboard >> Zone Editor:

Inside the DNS Zone Editor click on "Manage":

Here you can add either record to your site: