[ewg] failure notice - notificacao de erro

[postmaster at smtp.net4b.pt]

Hi. This is the automatic error message generated by the mail server smtp.net4b.pt.
Unfortunately it was not possible to deliver the message to the designated address(es).
This is a permanent error therefore no further delivery attempts will be made.
Please verify that the destination address is correctly spelled.
Below is a description of the failure reason and (if applicable) the identity of the server which rejected the message.
 
Esta é uma mensagem automatica de erro gerada pelo servidor de mail smtp.net4b.pt.
Lamentavelmente nao foi possível entregar a mensagem no(s) endereco(s) indicado(s).
Este e um erro permanente pelo que nao serão feitas mais tentativas de entrega.
Por favor verifique se o endereço de destino foi correctamente escrito.
Abaixo esta uma descricao do motivo da falha e (se aplicavel) a identidade do servidor que rejeitou a mensagem.

<smtpcbastos at ana-aeroportos.pt>:
213.58.136.214 failed after I sent the message.
Remote host said: 550 5.7.1 Message rejected as spam by Content Filtering.

--- Below this line is a copy of the message.

Return-Path: <ewg at openib.org>
Received: (qmail 30329 invoked from network); 16 Aug 2008 15:11:19 +0100
Received: from smtp-2.lx.esp (HELO smtp.net4b.pt) ([10.0.17.2])
          (envelope-sender <ewg at openib.org>)
          by relay.net4b.pt (qmail-ldap-1.03) with SMTP
          for <smtpcbastos at ana-aeroportos.pt>; 16 Aug 2008 15:11:19 +0100
Received: (qmail 12424 invoked from network); 16 Aug 2008 15:11:18 +0100
Received: (simscan 1.4.1 ppid 12319 pid 12362 t 5.7802s)
 (scanners:  regex: 1.4.1 spam: 3.1.9 attach: 1.4.1 clamav: 0.93.3/m:47/d:8051); 16 Aug 2008 14:11:13 -0000
X-Spam-Checker-Version: SpamAssassin 3.1.9 (2007-02-13) on smtp-2.lx.esp
X-Spam-Level: ******
X-Spam-Status: No, score=6.4 required=10.0 tests=BAYES_05,DATE_IN_FUTURE_96_XX,
	HTML_90_100,HTML_MESSAGE,RCVD_IN_PBL,URIBL_AB_SURBL autolearn=no version=3.1.9
Received: from unknown (HELO [84.255.173.212]) ([84.255.173.212])
          (envelope-sender <ewg at openib.org>)
          by smtp.net4b.pt (qmail-ldap-1.03) with SMTP
          for <smtpcbastos at ana-aeroportos.pt>; 16 Aug 2008 15:11:13 +0100
Message-ID: <000601c91805$04d82d99$ad411c92 at pxnxixio>
From: "briant rocky" <ewg at openib.org>
To: <smtpcbastos at ana-aeroportos.pt>
Subject: mpeg4 Stunning for smtpcbastos 
Date: Tue, 16 Sep 200

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