X.500

Definitions

General Science

  • noun a CCITT standard that defines a method of global naming which allows every individual user to have a unique identity and allows any user to address an electronic mail message to any other user

Computing

  • noun a CCITT standard that defines a method of global naming that allows every user to have a unique identity and allows any user to address an email message to any other user.

Electronics

  • An ITU and OSI standard defining and managing online directories. Used, for instance, to support X.400 messaging systems.
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