`` What is the difference between '' `` Regards , '' '' '' `` Best regards , '' '' '' `` Sincerely , '' '' '' `` Yours Faithfully , '' '' and all of the other formulations ? Which one is the best to use in North America in an email conversation ? ''
`` What email sign-off greeting in English is more personal than '' `` kind regards '' '' or '' `` best regards '' '' , and expresses a certain level of friendship ? ''