Go into your Outlook (OWA) and click the “Options” button the upper right corner and select “Create an Inbox Rule.”
Click “New.” You’ll see another drop-down that says “When the message arrives, and:” Then select, “It includes these words in the sender’s address.”
Type in the words MAILER-DAEMON. Press the green plus button. Type in the word “Delivery” and press the green plus button again.
Next, press the “OK” button.
In the second drop-down box, select “Delete the message”. Then press the “Save” button in the lower right corner of the page.