LDAP authentication

[JOYDEEP]

Dear list,

I hv modified my ldif file as below

dn: dc=kolkatainfoservices,dc=in
objectClass: domain
dc: kolkatainfoservices
structuralObjectClass: domain

dn: ou=adrbook-GER,dc=kolkatainfoservices,dc=in
ou: adrbook-GER
objectClass: top
objectClass: organizationalUnit
structuralObjectClass: organizationalUnit

dn: ou=adrbook-IND,dc=kolkatainfoservices,dc=in
ou: adrbook-IND
objectClass: top
objectClass: organizationalUnit
structuralObjectClass: organizationalUnit

dn: ou=Users,dc=kolkatainfoservices,dc=in
ou: users
objectClass: top
objectClass: organizationalUnit
structuralObjectClass: organizationalUnit

dn: ou=Passwd,dc=kolkatainfoservices,dc=in
ou: Passwd
objectClass: top
objectClass: organizationalUnit
structuralObjectClass: organizationalUnit

dn: ou=Groups,dc=kolkatainfoservices,dc=in
ou: Groups
objectClass: top
objectClass: organizationalUnit
structuralObjectClass: organizationalUnit


now what would be the settingt in egw configuration section to use LDAP
as authentication module ?
As we as what should be the cyrus and postfix configuration to use LDAP
authentication system ?
thanks in advanced.
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