How do I receive a notification each time a subscriber unsubscribes?
You have the option of receiving a notification each time one of your subscribers requests a removal from your list.
Log into your Mail-List.com account from https://database.mail-list.com and click on "Customize Your List" and then on "Reports":
Click on the link "Receive Notification When a Member Unsubscribes":
Make sure that the radio button preceding "Yes" is selected.
click Save button to save changes