Here is the perfect way to start an email, and 19 greetings you should usually avoid. Also here is the perfect way to end an email.
Rich Hua stashed this in The Art of Sales
Winner: 'Hi [name], ...'
If you want to make it a little more formal, you can always use the person's last name: "Hi Mrs. Smith, ..."
"The reason I like this one is that it's perfectly friendly and innocuous," says Schwalbe.
It's also Pachter's favorite. She says it's a safe and familiar way to address someone, whether you know them or not.
So when in doubt, go with "Hi."
The perfect way to end an email and 26 sign-offs to avoid:
The winner: 'Best'
All three experts agree that "best" is among the safest possible choices, inoffensive, and almost universally appropriate.
So when in doubt, go with "best."