How to set the e-mail to notify the sender that the sent mail is read.
If you require an e-mail recipient to reply that the sent mail is received and opended. You may set the configuration of Outlook Express Program as below:
1. Open Outlook Express
2. Click Tools and choose Options 3. Click Receipts on the upper tab. After that, mark the "Request a read receipt for all message" box to enable a pop-up on the recipient side so that he/she can reply if the mail is received. Also, Choose "Notify me for each receipt" to enable the notification of the read receipt from the others.