In my experience, greetings are the easy part, whereas deciding how to close the email is the tough part. In my first correspondence with a contact, I usually e

In my experience, greetings are the easy part, whereas deciding how to close the email is the tough part. In my first correspondence with a contact, I usually end with a formal "thank you, (next line my name). I notice most people don't respond back with the same formality, and so I mirror my structure based on theirs. Does anyone have any tips on this or similar interactions?