Electronic mail programs do not provide you with the equivalent to a telephone directory: there is no way that you can look up a person's electronic mail address. ... For example: Date: Tue, 18 Aug 92 12:15:17 WET DST From: tony@bigfish.com Subject: Xgator troubles To: john@castle.ed.ac.uk . ... For example: From: john@ed.ac.uk Subject: Address please To: postmaster@durham Please provide the email address for Dr J.R. Dozer who is a member of staff in the Psychology Dept. ...