The customer authorization (provided in the link you clicked) is out of date, and does not entitle you to use the Blended Threat service.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://url11.mailanyone.net/scanner?m=1pwKv5-0007wW-5Z&d=4%7Ccustomer%2Fmail%2F24464170%2F1683629400%2F1pwKv5-0007wW-5Z%7Cin11c%7C57e1b682%7C24464170%7C13655287%7C645A2563D065B8E46286365BD7B0F1C8&o=%2Fphta%3A%2Fstso.peenf%2Fairtve-%2Faensyrwefad--entorxe-e-h-rt-ossbcoarrdthele-%2Fsisirc-h&s=AlBgrlqA871Yl5SsDqaYxLre2og