Sign up and log into your RE Syncer account here.
From your dashboard select "HubSpot Settings"
Connect your HubSpot account to RE Syncer and follow the on screen instructions.
That's it! We automatically setup the properties in HubSpot for you during this process.
HubSpot will now filter our form submits as Spam unless our domain name has been white listed. Follow this guide here to whitelist REA and Domain form submissions.