For what it's worth, it is actually illegal for US-based companies to require a login or any other nonsense to unsubscribe. CAN-SPAM (for all its many faults) i

For what it's worth, it is actually illegal for US-based companies to require a login or any other nonsense to unsubscribe. CAN-SPAM (for all its many faults) is actually pretty specific about making unsubscribing from a newsletter very easy.