The customer authorization (provided in the link you clicked) is out of date, and does not entitle you to use the Blended Threat service.
https://emea01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fscanmail.trustwave.com%2F%3Fc%3D6600%26d%3Dzq3b23Oj-BryhDmuJjTC5KwOl1NS5xAAUk4IOWfHHw%26s%3D373%26u%3Dhttp%253a%252f%252fwww%252egreencampusireland%252eorg%252f&data=02%7C01%7C%7C0539392aab5546e81bd808d640a308d1%7C9b3403b7a34f4d1fbb4111c343a1fcc7%7C0%7C0%7C636767466316974371&sdata=siJ2N4jE%2BJOMFYd%2BIQ%2Fi1%2FmkBPzx3l8lp7ARMBmnDV0%3D&reserved=0