In addition, you can request to be notified when the message is actually opened by the recipient.
Issuance of messsge DSN upon delivery failure is the default behavior, whereas issuance of a DSN upon successful delivery requires a specific request from the sender. The first time a user opens an message containing this field in the header, the client will typically prompt the user whether or not to send a return receipt.
When meesage your message, on the toolbar, click the Options menu. Customize options Request a message receipt When you request a message receipt, a notification will be delivered to your Inbox telling you that a message you have sent has been successfully delivered.
However, for various reasons, it is possible for a message to be delivered, and a Teceipt is returned to the sender indicating successful delivery, but the message subsequently fails to be seen by the recipient or messabe made police escort warwick to them. To be notified when your message is opened by the recipient, select Read receipt requested. A non-standard but widely used way to request return receipts is with the "Return-Receipt-To:" RRT field in the e-mail headerwith the return address specified.
However, for privacy reasonsand also for backward compatibility, requests for MDNs are entirely advisory in nature - i. For both, select Request Both.
To be notified when your message is delivered, select Delivery receipt requested. Message disposition notifications[ edit ] MDNs provide a notification of the "disposition" of a message - indicating, for example, whether it is read by a recipient, discarded before being read, etc.