Hi,
You'll find a lot of discussion of this topic if you search the Forum for words like 'greetings endings email'.
Here are a couple of very, very brief comments.
what the style for emails that send between family members ?
actually , I want to know the common words that suppose to
write in the beginning of messages that mailing between family members ..
Really, you can write anything you want in family emails. There are no rules.
and also the common words in emails that attaching my CV to company that suppose hire me .
I suggest that you start with Dear xxxxxx,
and end with Yours sincerely,
Best wishes, Clive