The customer authorization (provided in the link you clicked) is out of date, and does not entitle you to use the Blended Threat service.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://linkprotect.cudasvc.com/url?a=https%3a%2f%2fscanmail.trustwave.com%2f%3fc%3d15517%26d%3dgdKt4UeOD3JmJwd2Nx8gI1iFZqhUqDhXZwJ1yinCrg%26u%3dhttps%253a%252f%252fimmune%252eus2%252elist-manage%252ecom%252ftrack%252fclick%253fu%253d29e3bb4044a842ace41cae024%2526id%253d3ffedc69c8%2526e%253d8ec617ad2d&c=E,1,IQ2F277_y6lWv-IDoys707K00UqeI1WB7Rqd-ti9IT745DeovmTHzZXaAWGtkfT-qkb1Sn1gkmcANdjK7pS0h323n3OTbMWmWR8kRnF5K8sbUCnF8m14ow,,&typo=1