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Inter-connectivity has been and always will be one of the biggest goals in computer networking. The ultimate desire is to make it so one person can contact anyone else no matter where they are. A number of ``gateways'' between networks have been set up. They include:
email@example.com, with xxxxx.xxx being their CompuServe user ID. Normally CompuServe ids are represented as being separated by a comma (like
71999,141); since most mailers don't react well to having commas in addresses, it was changed to a period. For the above address, mail would be sent to firstname.lastname@example.org.
email@example.com or firstname.lastname@example.org.
This table is far from complete. In addition to sites not being listed, some services are not (nor do they plan to be) accessible from the ``outside'' (like Prodigy); others, like GEnie, are actively investigating the possibility of creating a gateway into their system. For the latest information, consult a list called the Inter-Network Mail Guide. It's available from a number of FTP sites, including UUNET; see section Anonymous FTP, for more information on getting a copy of it using anonymous FTP.