ps_paypal stop conforming orders

[ineteye]

>Also we recieve on email this text:
>
>Please check your server that handles PayPal Instant Payment Notification (IPN) messages. Messages sent to the following URL(s) are not being received:
>
..../administrator/components/com_virtuemart/notify.php
>
>
> If you do not recognize this URL, you may be using a service provider that is using IPN on your behalf. Please contact your service provider with the above information.
>
>....................................
>
>
>AND the main problem we did not change something on website or block any address..'