1. Navigate to Communities > Forms > Single Step Donation
  2. Hover over the Form name and click Website Info 
  3. Click Form Options
  4. Navigate to the Confirmation Text tab
  5. On the Email Confirmation page, click Advanced Confirmation Setup
  6. Mark the radio button for Use Advanced Confirmation Setup
  7. Click Edit next to Donation Confirmation 
  8. Mark the radio button for Use Customized Text
  9. Click Edit Email
  10. In the From and Reply-to enter the new email address
  11. Click Save
  12. Go back to your main Webinfo Checklist, and click the green Publish This Event Now Button