Groupware, Workflow and Intranets: Reengineering the Enterprise with Collaborative Software

With enterprise e-mail there will often be different mail systems in different offices in different countries. Since each e-mail system has its own standards for addressing, format of message and transport method, tools and standards are required to allow the mail messages to be read transparently by different mail systems. Understanding these Internet based standards and knowing what is available in different products is clearly important when selecting products.
We will look at the different types of mail standard that are important using the categorization used by the Internet Mail Consortium (IMC). This is useful to provide a framework for the large number of standards in this area. "Host" in the following descriptions is analogous to "mail-server."
Web reference: http://www.img.org. Internet Mail Consortium (IMC)
Web reference: http://www.ips.id.ethz.ch/~parish/standard.html. This reference gives a source page for all important communications standards.
Directories act as an index of user names and devices accessible on networks. As such they are critical to a company to ensure that different users can be contacted easily using an electronic "white pages." Addresses of other network resources such as printers and servers are also listed in the directory service.
An important directory standard on the Internet and local TCP/IP networks is the Domain Name System or service referred to as DNS. A DNS is used to map the TCP/IP network address of a server such as 207.68.156.58 to a better known form such as...