Start out by logging into https://www.activecampaign.com/login

At the bottom left, click Settings

Click Advanced and now enter in your domain name into the Sending Domain and click continue, box as shown below:

Click Continue

It will now run some tests

and in most cases will look like this when done:

Click the cogwheel at the bottom left

Scroll to the bottom of the list and select Can't find your provider?

Now you can easily click the Copy buttons next to each record and add them into the WPO Portal

We will want to now log into https://wpo.bigscoots.com/ select our domain and click the DNS tab as shown below:

Easily enter in the records as shown

After adding all provided records, you can click the blue I have added 4/4 records to my domain provider

Lastly, congratulations!