The customer authorization (provided in the link you clicked) is out of date, and does not entitle you to use the Blended Threat service.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%3dgdKt4UeOD3JmJwd2Nx8gI1iFZqhUqDhXZwRymCPE_A%26u%3dhttps%253a%252f%252fimmune%252eus2%252elist-manage%252ecom%252ftrack%252fclick%253fu%253d29e3bb4044a842ace41cae024%2526id%253dd8662eb881%2526e%253d8ec617ad2d&c=E,1,trSp1Mf6t5cpesVLdppFf-JmNgqOmjDdYk05DFvr7a62pO_ATSfy-D-3PKcimkx_b7oATEehf9LmpF9ZTiCSw9xDUrEnF7OrZvjspHDrxPPo059zPRHtzA,,&typo=1