FYI: most SPAM feedback systems reduce your account weight ('trust score') if you tag your non-SPAM emails as SPAM. Although I agree with one-click-unsubscribe

FYI: most SPAM feedback systems reduce your account weight ('trust score') if you tag your non-SPAM emails as SPAM. Although I agree with one-click-unsubscribe sentiment, clicking SPAM on an e-mail you subscribed for is not very productive.