You can check the list of the Registrants who received an email by creating a Registration History Report and filtering it by the Action and Message Name.
Creating a Registration History Report
- Navigate to Event > Reports.
- Click Add Report to add a new Report.
- Enter a Report Name.
- Select Registration History as the Report Type.
- Click Save.
Filtering the Registration History Report to display the Email Action and Message Name
- Click the Filter tab on the left side menu.
- Under the Advanced Filters section at the bottom, click on the Columns drop down menu, and select Action.
- Set the Operator to =.
- In the Value field, enter Email.
- Add another filter by selecting (and) from the drop down menu.
- Click on the Columns drop down menu, and select Message Name.
- Set the Operator to =.
- In the Value field, enter the Message Name of the Email you sent.
- This should be the name of the Email Template that was sent.
- Click Save, then Run Report.
- This will generate a Report of the Registrants who received the Email.