Странная ошибка

Добрый день!

CG - 5.1.2

Довольно часто появляется следующая строка в логах: 08:32:42.461 2 DEQUEUER [8320540] SYSTEM()<yyyyy@xxxxx.ru> delivered: message discarded without processing

Расскажите пожалуйста что это значит?

Вот полный пример сессии:

15:47:56.209 2 SMTPI-012439([85.73.143.141]) [107624354] received, 11267 bytes
15:47:56.209 5 SMTPI-012439([85.73.143.141]) out: 250 107624354 message accepted for delivery\r\n
15:47:56.209 5 QUEUE([107624354]) envelope: P I 18-04-2007 11:47:54 0000 ____ ____ <bpphillip@ukr.net>
15:47:56.209 5 QUEUE([107624354]) envelope: A xxxx.yyyy.ru [111.111.111.111]
15:47:56.209 5 QUEUE([107624354]) envelope: S SMTP [85.73.143.141]
15:47:56.209 5 QUEUE([107624354]) envelope: R W 18-04-2007 11:47:55 0000 ____ _FY_ <frv@xxxx.yyyy.ru>
15:47:56.209 5 QUEUE([107624354]) header: Received: from [85.73.143.141] (HELO localhost.localdomain)  by xxxx.yyyy.ru (CommuniGate Pro SMTP 5.1.2)  with SMTP id 107624354 for frv@xxxx.yyyy.ru; Wed, 18 Apr 2007 15:47:55 +0400
15:47:56.210 5 QUEUE([107624354]) header: Message-ID: <f5ed01c781ae$b8ab8f4f$8c9dcb1b@ukr.net>
15:47:56.210 5 QUEUE([107624354]) header: From: =?windows-1251?B?z+Xw8e7t4Os=?= <bpphillip@ukr.net>
15:47:56.210 5 QUEUE([107624354]) header: To: frv@xxxx.yyyy.ru
15:47:56.210 5 QUEUE([107624354]) header: Subject: =?windows-1251?B?yuDqIPPv8ODi6//y/CDx4u7l6SDoIPfz5u7pIOrg8Pzl8O7pPyDU7vDs4Ovo5+D2?=        =?windows-1251?B?6P8gz+7r7ubl7ej/IO4g8ODn4ujy6Ogg6uDw/OXw+w==?=
15:47:56.210 5 QUEUE([107624354]) header: Date: Wed, 18 Apr 2007 14:42:56 +0300
15:47:56.210 5 QUEUE([107624354]) header: MIME-Version: 1.0
15:47:56.210 5 QUEUE([107624354]) header: Content-Type: multipart/alternative;    boundary="----=_NextPart_000_0000_7F21E4B7.B95ED524"
15:47:56.210 5 QUEUE([107624354]) header: X-Priority: 3
15:47:56.210 5 QUEUE([107624354]) header: X-MSMail-Priority: Normal
15:47:56.210 5 QUEUE([107624354]) header: X-Mailer: Microsoft Outlook Express V6.00.2900.2180
15:47:56.210 5 QUEUE([107624354]) header: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180
15:47:56.210 5 QUEUE([107624354]) header:
15:47:56.210 2 QUEUE([107624354]) from <bpphillip@ukr.net>, 11267 bytes (<f5ed01c781ae$b8ab8f4f$8c9dcb1b@ukr.net>)
15:47:56.210 4 QUEUE([107624354]) enqueued, nTotal=167
15:47:56.210 4 QUEUE([107624354]) opened, nOpen=1
15:47:56.210 4 QUEUE([107624354]) applying server rules
15:47:56.210 2 DEQUEUER [107624354] SYSTEM()<frv@xxxx.yyyy.ru> delivered: message discarded without processing
15:47:56.210 4 QUEUE([107624354]) dequeued, nTotal=166
15:47:56.210 4 DEQUEUER [107624354] placed into empty 'immediate' queue
15:47:56.210 2 QUEUE([107624354]) enqueued
15:47:56.210 4 QUEUE([107624354]) closed, nOpen=0
15:47:56.210 4 DEQUEUER-000015 [107624354] processing
15:47:56.210 2 QUEUE([107624354]) deleted