eBay does this same trick. I opened an account long back, now I am not able to unsubscribe from their list as I do not know the password. To get the password,

eBay does this same trick. I opened an account long back, now I am not able to unsubscribe from their list as I do not know the password. To get the password, I have to give the answers to the security questions, which I have already forgotten. Phew. I have marked their emails as Spam and it straight goes to spam folder.