1. Open your event's dashboard and click on "Registrations". 2. Then click on the settings icon. 3. Click on "After registering". 4. Click the "Reply-to Address" field to add a new mailer 5. Click "Save settings" to save the changes. Related ArticlesHow to configure the registration confirmation mailer (Email)?How to scope a mailer to a subset of registered attendees?How to setup mailers that are sent to people when they are added to the waitlist ?How to setup mailers that are sent to attendees when their waitlisted registration is approved ?How to setup mailers that are sent to people whose waitlisted registration is rejected ?