The symbols indicate a recipient’s status and are either green, red or blue.
|green||This recipient is active and receives newsletters that are sent to his respective group or segment.|
|red||The recipient is deactivated or has not been activated yet. They are either unsubscribed from your recipient list or has not confirmed his registration via double opt-in (yet).|
|blue||This address created a bounce. You will find further information on bounces here.|