Many people are disappointed that there is not a master list of all the email addresses in the world. There isn't one for much the same reason that there isn't a book that has the work telephone number for every person in the world. To make such a master email directory complete, every organization that provides email service for its members would have to submit all additions or removals to a master list. Not only would this be a headache for every email service, but some international body would have to be created to administer it.
Who would pay for maintaining the master list? Who would make sure that the master list wasn't abused? Many people would feel that such a list would be an inappropriate use of private information. They would go whatever lengths that they could to keep their email address out of the database. Therefore, you will have to resort to one of the following methods to find your correspondent's address.
