E-mail-Address
The format for an e-mail address is USER NAME@DOMAIN NAME. For example, the address of the author of this textbook is jah0@lenigh.edu. There are no spaces between any of the words. The user name (or in this case, the user identification [ID]) is jah0). A domain name is an organization’s unique name combined with a top-level domain (TLD) name. In the previous example above, the unique name is Lehigh and TLD is edu. Following are examples of TLD names