Testing if different default values for BIND_DN/BIND_PASSWORD fix the problem

uffd/default_config.cfg

@@ -39,8 +39,8 @@ LDAP_MAIL_DESTINATIONS_ATTRIBUTE="maildrop"
 
 # If you do not set the service bind_dn, connections use the user credentials.
 # When using a user connection, some features are not available, since they require a service connection
-LDAP_SERVICE_BIND_DN=""
-LDAP_SERVICE_BIND_PASSWORD=""
+LDAP_SERVICE_BIND_DN="uid=testadmin,ou=users,dc=example,dc=com"
+LDAP_SERVICE_BIND_PASSWORD="adminpassword"
 LDAP_SERVICE_URL="ldapi:///"
 LDAP_SERVICE_USE_STARTTLS=True