Email clients consider bulk emails as spam. The email that you receive is automated, comes something like bulk-mail, but addressed to you, with your HB statistics.
You most email service providers, there is an option to tell them that the particular email is not a SPAM. Open the email and look for clickable button to mark the email as NOT A SPAM. Once you click, then from next email onwards, you will receive the email directly in your inbox.
See the attached image (as in Gmail)