I have 5 other Foscams, been using for several years with BlueIris. Work great, alerts are actually quite sensitive. Just got this amcrest. I can test trigger alerts and I get the email alert. Maybe once a day I get an alert when tree shadows cover part of driveway. But I can walk all around the camera and no alerts. I have it set just like my other cameras. Is there something on the camera settings itself that is causing this issue? Or something on blueIris?