I purchased a domain name and OneDrive started sending generic "you haven't logged in in awhile" messages and even image thumbnails to the admin@$domain$ address. No way to make it stop, other than blocking onedrive.com. Very creepy.https://answers.microsoft.com/en-us/windows/forum/all/i-received-a-suspicious-email-purporting-to-be/8168982b-bf65-44b7-8561-0f9f64b634b5