Below guideline will show the steps on how to enable the read receipt function in your Horde mail (cPanel)
1. Access to your webmail with the URL as : http://domainname/webmail or http://domainname:2095
2. Choose Horde to
3. Click on “New
4. Proceed to the top right side stated as “Other Options” and click on "Read Receipt"
5. After you send the email, the recipient will receive a below notification to verify for the email to be read and you may just need to select on "Yes"
6. Then another notification will be sent to the sender for verifying that the email has been read by the recipient.
**Note: Read receipt
only can be used if the recipient is using our hosting service**