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 validationI found some documents that i listed as answer below. But now it is returning a message [_messages
rotected] => Array ( [0] => Authority not found: uid=What is that mean?
rotected] => Array ( [0] => Authority not found: uid=What is that mean?