Is this email an FYI? Is there ACTION NEEDED? Is it a NNTR? (no need to reply)
The whole point is, we want our email to be concise (if I can't read it on my mobile device, I may not ever really hear from you) and we want to know what you need from us. And we certainly want to avoid a situation in which our email recipient replies with TL;DR (too long, didn't read)!
I am working on only looking at email a few times a day instead of having a Pavlovian reaction to an incoming message (I've turned off alerts and minimize my email most of the day) and I'm using the OHIO method (only handle it once) - which is a kinder, gentler way of regarding those pesky new messages so your inbox doesn't choke your breathing. Email isn't as cool as I once thought.
In my preparation for the staff meeting, I came across some funny email habits, written by someone else but I had to share, as I'm guessing you may recognize these communicators, too: