Hope this ends the confusion which I see is in a lot of replies to this query.
I sincerely doubt it, Anon.
Do you mean "a tad presumptuous", rather than "a tad preposterous"?
In a more formal letter, just Regards or With regards, is used.
Best regards or Warm regards really means "My warm regards to you and yours."
There is no other closing after you write these.
Hi,
Personally, I wouldn't consider 'Regards' or 'Kind regards' as formal at all.
Clive
I agree!
Peace and love,
Sputnik