How to get aditional information from ldap with Kerberos authentication in the Apache httpd?

Issue

Apache httpd is configured to use Kerberos login. How to get the mail from the ldap user?

<Location /examples>
                AuthName "Kerberos Login"
                AuthType Kerberos
                KrbMethodNegotiate on
                KrbAuthRealms EXAMPLE.COM
                KrbVerifyKDC on
                KrbServiceName HTTP/localhost@EXAMPLE.COM
                Krb5Keytab /etc/httpd/local.keytab
                KrbSaveCredentials off
                AuthBasicProvider ldap
                Require valid-user
                AuthLDAPURL "ldap://localhost:10368/ou=People,dc=example,dc=org?uid"