Change automatic response to read receipts

1. On the Tools menu, click Options. 
2. Click E-mail Options.
3. Click Tracking Options.
4. Do one of the following:

   Send a read receipt whenever one is requested

   • Click Always send a response.

   Deny a read receipt whenever one is requested 

   • Click Never send a response.

   Be notified when a read receipt is requested

   • Click Ask me before sending a response.