When a received email message requests a read receipt, Outlook will prompt you before sending the receipt.

To permanently set Always send a response or Never send a response:

1. Open Outlook.

2. Press Tools on the menu bar, and press Options.

3. Select the General or Preferences tab.

4. Press E-mail Options.

5. Press Tracking Options.

6. At the bottom of this dialog, select Always send a response or Never send a response.

7. Press OK until all dialog boxes are closed.