The customer authorization (provided in the link you clicked) is out of date, and does not entitle you to use the Blended Threat service.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=plDLgAMDe-2FFx3WRNLy61Kk9UZV24bszwGY1ZftjVUWo-3D_vdurf4ZkjP4G-2Fr52DSrqnvS-2Fga1wIcFfc9OV70ykhDX0ynyk1wUahspXj8HQf2-2FJxcg9Jxdq35leOdOe3ovf1xve36ImbdwV1kUd3e10Ue3BrCRkS66hpJk-2BxJ0yJ3kPYhEwEnIf6TsgRY3jHtFZ7-2BsjQxVIgeWT7cw3gd1psOQwPfwOkU-2Fej92XBl4-2Fwts7tve3mieE9fHc7p6Ns42JmvA-2BtgtWCWPB9fJu0Nl8N6sg3KzsUI69rV0eGJmEFKyP89q8AdMLetJ74Y47ERtk1A-3D-3D