If I unsubscribe and still get marketing emails -- Or, if when I click the unsubscribe link, I am prompted to log in to an account which I never created, using

If I unsubscribe and still get marketing emails -- Or, if when I click the unsubscribe link, I am prompted to log in to an account which I never created, using a password that I do not have -- Then, with apologies to Francis Ford Coppola, my reaction is to mark as spam with extreme prejudice.