Updated: 11/13/2018 by Computer Hope

Introduced in 1998, X.500 is a CCITT X series standard that builds upon the standardization of the X.400, extending the protocol to include address formats. X.500 is a directory service that can help locate a particular user or group.

Today, LDAP is taking precedence over X.500.

Active Directory, E-mail, E-mail terms, LDAP