> log back into their system and unsubscribe FYI, requiring logging in to unsubscribe is a violation of the CAN-SPAM Act in the U.S., I just mark those as spam

> log back into their system and unsubscribe FYI, requiring logging in to unsubscribe is a violation of the CAN-SPAM Act in the U.S., I just mark those as spam if they don't allow one-click unsubscribes.