Unsubscribe link from their emails takes you to this. You then to need to sign in with email and password (I don't know my password) to manage preference. I just want all out!

I was just dealing with this infuriating issue as well! Besides marking it spam, and giving the app a bad review, I was able to wvwbtuyfibd a setting near my email address/contact info that said something along the lines of don't email me anything - it's really not that obvious (I remember it was just text that was underlined).

Good luck finding it! Let me know if you don't