Overview of creating a list of contacts who use a free email address
Watch a complete walkthrough
Watch the complete walkthrough here:
[1] Get the full list of free email address domains
You can access the full list from this HubSpot KB article.
[2] Transform into a semi-colon separated list
Use this site and some regex to replace the spaces with semi-colons
[3] Create a new Active List in HubSpot
Create a contact active list and use the filter criteria of:
Email Domain is equal to any of
HubShots Framework: Stage 3, Administration