A private e-mail was sent to one person.  When the recipient received the message, it had his name on the "To:" list, plus the words, "and others."  On my copy of the message I just have the recipient's name on the "To:" list and not the words "and others."  Is there a way for me to find out who the "and others" are.  The recipient tried to click on the words "and others", but nothing happened.