Don't forget the people that abuse the "mark as spam"-button as unsubscribe link. I saw that beahvior with non-techy users - it's often easier to find than the

Don't forget the people that abuse the "mark as spam"-button as unsubscribe link. I saw that beahvior with non-techy users - it's often easier to find than the unsubscribe link and has the same effect to them.