The customer authorization (provided in the link you clicked) is out of date, and does not entitle you to use the Blended Threat service.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/eJwVjsFqxDAMRL8mPhrbq3g3Bx-S0kLprf2A4jjyxls1DrZDaL--KmjQG4SGWRxCwBBFckbpm9bKaqXUZZBaTmZ6soMawVo99mboQO0FQ6oojy-xOoM49MECGBgizGa-BZi1tZYzeg0XMfkW1o_0i05bEOTW1vbuMnbmhec8TxlzbrMnivnYFt9S3mQud07n-2fBmo8SsLLxtWL7h7RR2pAhHkS8FAuUvir52O-iuDck-pHPRKlyXcLE_w1LXVPB6GXI36K5dyT0FV8XLgNWwfUPXjFQ_Q