Sending, receiving, and organizing email in Outlook.com
Maybe you didn't know, but clicking Unsubscribe in a message that isn't legit is just going to open you up to more spam.
Also, there's absolutely nothing you can do to prevent an email from arriving in your mailbox.
If the emails are going to your Junk Email folder then the system is working.
No one from Microsoft is going to see this and do anything about it. Just you moving the spams into the Junk Email folder reports it to the backend servers.