[turba] turba global address book

[mamatha b.raj]

hello,
   i have configured apache server for horde and imp,
 i need to configure turba. i need to develop a global
address book using ldap and horde.i need to customise
my outlook express or netscape address book or
microsoft address book in order to devlop global
address book.how to define ldif format for developing
global address book.how the schema should be written
for this?
please give some ideas regarding this.
                  thank you

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