On my list of about 11,500, just under 400 people have "opened never" but have clicked at least one link. So it's a pretty small number. I'd be you can just abo

On my list of about 11,500, just under 400 people have "opened never" but have clicked at least one link. So it's a pretty small number. I'd be you can just about double it to get the total number of opens that haven't been tracked.