Непонятные письма приходят по мылу Опции

[Экстрем]

Во короче,сегодня уже 3 письма пришло.А в английском я не силен.

Failed to deliver to 'masm.bgu@usa.net'
SMTP module(domain usa.net) reports:
host mxpool01.netaddress.usa.net says:
550 <masm.bgu@usa.net>... User not known




--------------------------------------------------------------------------------

Reporting-MTA: dns; mx1.tetratelekom.ru

Original-Recipient: rfc822;<masm.bgu@usa.net>
Final-Recipient: rfc822;<masm.bgu@usa.net>
Action: failed
Status: 5.0.0



--------------------------------------------------------------------------------

Received: from [10.106.0.47] (HELO inbox.ru)
by mx1.tetratelekom.ru (CommuniGate Pro SMTP 4.2.8)
with ESMTP id 4707659 for masm.bgu@usa.net; Sun, 05 Jun 2005 16:43:22 +0400
From: exstrem@inbox.ru
To: masm.bgu@usa.net
Subject: TEST
Date: Sun, 5 Jun 2005 16:48:33 +0400
MIME-Version: 1.0
Content-Type: multipart/mixed;
boundary="----=_NextPart_000_0003_1D06276D.D6E3687E"
X-Priority: 3
X-MSMail-Priority: Normal
Message-ID: <auto-000004707659@mx1.tetratelekom.ru>