Prospects may choose to opt-out via the link Outplay adds to your emails, but not all prospects will use the link, even if they want to opt out. You can opt them out manually in their profile screen.
Tip: If you need to opt-out several prospects at once, you can use the prospect bulk actions.
In the Prospects screen, double-click the name of the prospect you want to opt-out.
Click the options button in the detail panel.
Click Opt Out.