LDAP validation using email address?

Question

I am using LDAP validation , now LDAP id am using and its working fine.

I want to use email instead of ldap id. How can i add that.

What will be LDAP config for this ?

now this is working $username='ou=users,o=example.com';

this is not working $username='mail='.$user.',ou=users,o=example.com';

how to use email for ldap validation

I found some documents that i listed as answer below. But now it is returning a message

[_messages:protected] => Array ( [0] => Authority not found: uid=

What is that mean?

Answer 1

Ok . No one is answering.

I found something useful..

http://framework.zend.com/manual/en/zend.ldap.introduction.html#zend.ldap.introduction.theory-of-operations.account-name-canonicalization

http://secure.accessaims.com/tarantella/help/en-us/base/standard/ldap_auth_enabling.html