I get plenty of "newsletters" I never signed up for. Those deserve to be marked as spam. I can't trust that the unsubscribe link isn't used to harvest email add

I get plenty of "newsletters" I never signed up for. Those deserve to be marked as spam. I can't trust that the unsubscribe link isn't used to harvest email addresses that are still in active use, so clicking one of those links is a net negative for me.