ZENworks Patch Management Notification - email from server

I've got ZCM:ZPM configured to email me when new patches are available. Anyway, I'm getting the email and I've noticed that the same patches have been on the email with new patches being added to the bottom of the email. How do I get ZPM to remove older patches from the email notification? For example, I have one patch in the list that has been there for more than 3 months now. I don't think that it has had any newer revisions releases either.

Thanks!