Your message did not reach the following recipient(s): xxxxx.xxxxxxx@xxx.xxx on Fri, 29 Jan 2010 14:10:36 +0100 The e-mail system was unable to deliver the message, but did not report a specific reason. Check the address and try again. If it still fails, contact your system administrator. < hc-ukr-wx-mx-08.ukr.local #5.0.0 smtp; 550 Rule imposed mailbox access for xxxxx.xxxxxxx@xxx.xxx refused>