Read receipts will indicate whether the email was opened, and are sent directly from the user who opens the email.
The difference between delivery receipts and read receipts The video above shows these methods, and you can also find instructions below. Outlook provides the capability to track emails and get delivery and read receipts for all emails you send and for single messages. But if you have an important message it can be useful to know whether the message has been delivered and/or read. If we get a response, that usually suffices. Most of us spend our days firing off emails without much consideration for how or when they are delivered.