The customer authorization (provided in the link you clicked) is out of date, and does not entitle you to use the Blended Threat service.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.precise.uk/c/eJwVjs1qwzAQhJ_GOgrrJ7Z00KGpU-i1fYCyltaxEsUykoyhT98tzDCzLAxfcKg9-oVFJ3thek02epSWCz6J20WaaTCivymhp073e0EfK_LjyVYXQIAdFAxitMJ6q3CW46xADDJ4BMOu0Pz6HX_RWTuw5NbW9k69dfKDdJ4nX3JuM6S05GML0GLeeC53Wqf_T8Gaj-Kx0gG1YvsvcUtxQyrLkRJFT1aW6Phjv7PiHvCKyN8TlCcSb8JIAw1LXWPBBbjPL9bcFyaEip-BaJQdL_oPdEtSew