LDAP-related fixes

Change-Id: I2aeeedae180064a66fa943b21fa3b69c89b347f7
diff --git a/openldap/client/people/admin.yml b/openldap/client/people/admin.yml
index c3341aa..fa1a2c8 100644
--- a/openldap/client/people/admin.yml
+++ b/openldap/client/people/admin.yml
@@ -18,6 +18,7 @@
                 sn: Root
                 homeDirectory: /home/admin
                 loginShell: /bin/bash
+                mail: ${_param:admin_email}
               classes:
                 - posixAccount
                 - inetOrgPerson