During the campaign building process, you can fine-tune the audience for your campaign in the Criteria tab. Expand the Campaign Settings (formerly named Transactional Settings) to reveal a list of available email sources and types.
Select Campaign Settings to expand it.
Select a Reservation Event from the drop-down list or leave it as No Event.
Choose your Email Source and if you want to include Unsubscribed, Bounced or Non-Consent addresses.
Selecting multiple email sources will result in the recipient receiving a copy of the campaign in each of their email accounts.
Continue building your campaign as you normally do.
Campaign Settings in the Criteria Editor
Select Criteria Editor.
Follow the steps above starting with selecting Campaign Settings to expand it.