I used to write flowery emails. Then I stepped into leadership at a local non-profit while keeping my day job as an application developer. I've gotten a lot more terse, and people seem to respond well to it.
Greetings and closings are relics of the handwritten missive that persist only as matters of, ostensibly, formality. Foregoing them can seem curt or impolite. But it’s the opposite. Long, formal emails are impolite.
How to Email by James Hamblin