The android app doesn't always notify me of new email - and if it doesn't notify me for one email, it won't notify me again until I get another email (which mig

The android app doesn't always notify me of new email - and if it doesn't notify me for one email, it won't notify me again until I get another email (which might be a day or two apart). That's my only complaint. I have a support ticket open for it; I'm hoping they can figure out what is going on.