[Tulungan] Message is not delivered

[Mail Server]

The mail server of domain zmz-group.ru informs you that message:

From:     Крекшенко  <tulungan at polarhome.com>
To:       <mv1671 at zmz-group.ru>
Subject:  FW: Арбитраж. Опытные адвокаты. 
Size:     8794 bytes
Received: 23.07.2008 14:44
ID:       00V00QZA

cannot be delivered to the following recipients:
mv1671 at zmz-group.ru
Message is refused by remote server.

----
The fragment of the sending log:
RCPT TO:<mv1671 at zmz-group.ru>
550 <mv1671 at zmz-group.ru>, Recipient unknown