Original: Yours sincerely is typically employed in British English when the recipient is addressed by name and is known to the sender to some degree , whereas Yours faithfully is used when the recipient is not known by name ( i.e. the recipient is addressed by a phrase such as '' Dear Sir/Madam '' ) .
Simplified: Yours faithfully Yours faithfully is used when the person who is receiving the letter is not known by name ( i.e. the recipient is addressed by a phrase such as '' Dear Sir/Madam '' ) .