It seems that most of the headers in emails are now for spam filtering:
Return-Path: <services@llodystsb.com> Delivered-To: XXX Received: from mir.creativeconcern.com ([::ffff:193.142.245.9]) by mx10.faelix.net with esmtp; Tue, 06 Apr 2010 23:38:57 +0100 id 0000C006.4BBBB801.000044DE Received-SPF: pass (Address passes the Sender Policy Framework) SPF=HELO; sender=mir.creativeconcern.com; remoteip=::ffff:193.142.245.9; remotehost=; helo=mir.creativeconcern.com; receiver=faelix.net; Received-SPF: none (Address does not pass the Sender Policy Framework) SPF=MAILFROM; sender=services@llodystsb.com; remoteip=::ffff:193.142.245.9; remotehost=; helo=mir.creativeconcern.com; receiver=faelix.net; Received: by mir.creativeconcern.com (Postfix, from userid 998) id 4094DA011; Tue, 6 Apr 2010 23:38:57 +0100 (BST) X-Spam-Flag: YES X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on mir.creativeconcern.com X-Spam-Level: *********** X-Spam-Status: Yes, score=11.4 required=5.0 tests=FORGED_MUA_OUTLOOK, FORGED_OUTLOOK_HTML,HTML_MESSAGE,MIME_HTML_ONLY,MSOE_MID_WRONG_CASE,RDNS_NONE, URIBL_BLACK,XMAILER_MIMEOLE_OL_1ECD5 autolearn=no version=3.2.5 X-Spam-Report: * 0.0 HTML_MESSAGE BODY: HTML included in message * 1.7 MIME_HTML_ONLY BODY: Message only has text/html MIME parts * 2.0 URIBL_BLACK Contains an URL listed in the URIBL blacklist * [URIs: foxtronics.com.br] * 2.8 XMAILER_MIMEOLE_OL_1ECD5 XMAILER_MIMEOLE_OL_1ECD5 * 0.7 MSOE_MID_WRONG_CASE MSOE_MID_WRONG_CASE * 0.0 FORGED_OUTLOOK_HTML Outlook can't send HTML message only * 0.1 RDNS_NONE Delivered to trusted network by a host with no rDNS * 4.2 FORGED_MUA_OUTLOOK Forged mail pretending to be from MS Outlook X-Greylist: from auto-whitelisted by SQLgrey-1.6.8 Received: from craigproctorsystem.com (unknown [216.55.183.205]) by mir.creativeconcern.com (Postfix) with ESMTPS id 5F9AFA010 for <XXX>; Tue, 6 Apr 2010 23:38:55 +0100 (BST) Received: (qmail 3566 invoked from network); 6 Apr 2010 12:08:12 -0000 Received: from dsl-8-28.wholesaledsl.com.au (HELO User) (125.168.8.28) by craigproctorsystem.com with SMTP; 6 Apr 2010 12:08:12 -0000 From: "Lloyds TSB Bank plc" <services@llodystsb.com> Subject: ***** SPAM 11.4 ***** Customer Service: *** Important Security Issue *** Date: Tue, 6 Apr 2010 21:54:29 +1000 MIME-Version: 1.0 Content-Type: text/html; charset="Windows-1251" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1081 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1081 Message-Id: <20100406223855.5F9AFA010XXXmir.creativeconcern.com> To: undisclosed-recipients: ; X-Spam-Prev-Subject: Customer Service: *** Important Security Issue *** Received-SPF: none (Address does not pass the Sender Policy Framework) SPF=FROM; sender=services@llodystsb.com; remoteip=::ffff:193.142.245.9; remotehost=; helo=mir.creativeconcern.com; receiver=faelix.net; X-CRM114-Version: 20080326-BlameSentansoken ( TRE 0.7.5 (LGPL) ) MF-451D0E20 [pR: -3.8148] X-CRM114-CacheID: sfid-20100406_233857_690979_E6F6A2B6 X-CRM114-Status: UNSURE (-3.8148) This message is 'unsure'; please train it!