These common protocols are the reason why two users using different e-mail programs have no problem exchanging electronic mail. That e-mail today can be used to transmit programs, video, sound, graphics and other binary file types is due to MIME, Multipurpose Internet Mail Extension protocol. When the MIME packaged message arrives at the receiver s end, it is decoded back into its original form. If you are looking for further information on the domain name space or how to acquire a domain, you can find it in the On-line Learing Centre course on DNS . People will type the domain name when sending you e-mail or visiting your Web site.
Domain names have to be registered with an official domain name registry.
One way to do this is to have your Internet service provider do it for you, but it is also possible to contact a domain name registry and complete the application process yourself. There are two ways for a company to get access to a mail server. One option is to set up a mail server on the company s local network. The other is to use the mail server of an Internet service provider. Having your own mail server leaves the job of maintenance in your hands.