Sometimes important emails go out and you want a response.
But the other side has been in a state of unresponsiveness.
You don’t know if they got it.
Outlook has a feature that automatically sends a reply when someone clicks on your email,Email to you to inform you that you
have read your email.
Outlook—File—Options
Mail—Tracking—Click Read receipt confirming the recipient viewed the message&Select Always send a read receipt—OK