A domain name added by the Messaging Multiplexor to a client's user ID for LDAP searching and for logging into a mailbox server.
A domain that exists as a software entity on a server as contrasted with a domain that actually is comrised of a dedicated hardware location. A virtual domain has a numeric IP address and can include websites, mailservers, FTP sites or any other resource type. WWWebfx Home Page
An alias to a server maintained and operated by an IPP or ISP, or to a specific set of directories on such a server. It allows a company or individual without the resources and expertise to maintain their own Internet server to nonetheless have a unique domain name.