1 Introduction

The Lightweight Directory Access Protocol (LDAP) Version 3 Extensions is a set of extensions to LDAP, as described in [RFC4511] and [RFC4512], and the LDAP user schema, as described in [RFC4519], that defines new attributes and values for existing attributes related to the operation of e-mail clients and servers.

Sections 1.5, 1.8, 1.9, 2, and 3 of this specification are normative. All other sections and examples in this specification are informative.