http://www.metaconsultancy.com/whitepapers/ldap.htm http://www.metaconsultancy.com/whitepapers/ldap-linux.htm http://www.metaconsultancy.com/whitepapers/ldap-mail.htm
Looks kind of old, but still had good examples. http://www.yolinux.com/TUTORIALS/LinuxTutorialLDAP.html