The customer authorization (provided in the link you clicked) is out of date, and does not entitle you to use the Blended Threat service.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://click.mlsend.com/link/c/YT0xMDg5MDcxMDI1NjA3NDExMjA3JmM9bDVuNiZlPTk2NjcxJmI9MjMxMjM2MTMwJmQ9ZDZyM28xYw==.ZMRmL0-eYc_4m5a0WJ3nM5L0w4szySYe6jqY6GdhvOk