The customer authorization (provided in the link you clicked) is out of date, and does not entitle you to use the Blended Threat service.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://urldefense.proofpoint.com/v2/url?u=https-3A__scanmail.trustwave.com_-3Fc-3D2838-26d-3Dod3Z3QNj3DZYNWXs1OKqTFaDvEpynJJ8Mf69Ccslcg-26u-3Dhttps-253a-252f-252furldefense-252eproofpoint-252ecom-252fv2-252furl-253fu-253dhttps-2D3A-255f-255ffyi-252eorg-252enz-255fchange-2D5Frequest-255fnew-2D3Fbody-2D3Dauckland-2D5Ftransport-2526d-253dDwICAg-2526c-253dg1P1OFrow8Ej-2DVaDybm3Q2Won5OM4zH1L1ohGDEUcak-2526r-253d-2DZa8Q0tBy6YMW-2DyS4NlRkSM9lu3VQ2hKuWLMFuCvTag-2526m-253d9B3FA8SvLK1XcV89wH4dmFQchx1-255fyQHNbsTqhiE1EtI-2526s-253d5J-255f4kLwWC5rfc81ehdnoB0kD6CIJ8ZAQQJYqqafAZhg-2526e-253d&d=DwMFAg&c=g1P1OFrow8Ej-VaDybm3Q2Won5OM4zH1L1ohGDEUcak&r=bQJy5TYopp_OUoQulkRy_FYwCXwORrI3lpXpZYYxqKI&m=Ykix-ouC0hepWQXdUJStDmCvBo4FuNG7X97lgcH9JJE&s=rIOzrc6X2VYZckQh3XqMjaSyYGI9GkDgOspMF-HhSjI&e=