The customer authorization (provided in the link you clicked) is out of date, and does not entitle you to use the Blended Threat service.
http://email.mediahq.com/wf/click?upn=TdthWxbZjUvYApObuaTuFKZiX6Ac-2FiDMAJzIj9vuWNqlHL1dytiLnXz7K6icBGpM_5uKmk5ftz86vyuvwWGEHhcYe0AJpHQVEuBr7J8wpjz5HeBHYSSnZVR9uqACApNSW1GICj-2BUXC1aB5PpPEFEKTMkBZhY2UcuDOOmMuUc4qA6lL8k9LsOt4S9A5xZPW-2FA0K-2FofsPlERjvu3Ut0kBgcQ0fK-2FCMGFcJMLFHozh5fG9WbyJDENx2RkI9d4P7mROE3ipKgV8Oh-2FgQyHlqA6n3AnZnyLzEUhALWRr6tGhu46ZYJdOKUv4kir59TCwxq6iw1uxUcp4t7XwTkhmPsZJBUsg-3D-3D