When letters were our only ... kiss or a hug then this style of sign-off would be appropriate. If you would not, however, stick to something more formal.” Hanson also hates regards, however ...

Formal letters differ in some key ways from e-mail and even from professional memos. The purpose of a formal letter is often serious: It may be a formal application for a job, a formal statement ...

A formal letter or email would have a standard greeting ‘Dear Ms. White’ and sign-off ‘Yours sincerely, Nathan Reilly’ whereas an informal letter or email might use a first name ‘Dear ...