My iPhone only downloads email when I tell it too, even when it does it sits in the background. If I’m not working why would I read it? If I’m on call like I’v

My iPhone only downloads email when I tell it too, even when it does it sits in the background. If I’m not working why would I read it? If I’m on call like I’ve been over Christmas, I’ll be called by a manager sufficiently high up enough, with a charge code for me answering the phone (4 hours at time and a half), and explain why it was so important to do so.