Spamassassin неверно суммирует оценки

Return-Path: <adolphusgenerosity@brasilinspired.com>
From: "Free Sample enlargement" <adolphusgenerosity@brasilinspired.com>
To: <***@***.com>
Subject: --===SPAM===-- Become a female mag sex fantasy
Date: Tue, 4 Oct 2011 18:18:48 +0400
Message-ID: <004201cc8279$bde2c1b0$39a84510$@com>
MIME-Version: 1.0
Content-Type: multipart/alternative;
	boundary="----=_NextPart_000_00C2_01CC82A5.1885AC10"
X-Mailer: Microsoft Office Outlook 12.0
X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on ***.***.com
X-Spam-Flag: NO
X-Spam-Status: NO, hits=-1.50 required=5.00
X-Spam-Report: *   10 BAYES_99 BODY: Bayes spam probability is 99 to 100%
	*      [score: 0.9976]
	*  0.0 FSL_HELO_NON_FQDN_1 FSL_HELO_NON_FQDN_1
	*  1.0 HK_NAME_FREE From name mentions free stuff
	*  0.0 HTML_MESSAGE BODY: HTML included in message
	*  1.6 URIBL_WS_SURBL Contains an URL listed in the WS SURBL blocklist
	*      [URIs: potiongrow.com]
	*  1.2 URIBL_JP_SURBL Contains an URL listed in the JP SURBL blocklist
	*      [URIs: potiongrow.com]
	*  0.8 RCVD_IN_SORBS_WEB RBL: SORBS: sender is an abusable web server
	*      [117.201.44.250 listed in dnsbl.sorbs.net]
	*  1.4 RCVD_IN_BRBL_LASTEXT RBL: RCVD_IN_BRBL_LASTEXT
	*      [117.201.44.250 listed in bb.barracudacentral.org]
	* -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at http://www.dnswl.org/, high
	*      trust
	*      [117.201.44.250 listed in list.dnswl.org]
	*  0.8 RDNS_NONE Delivered to internal network by a host with no rDNS
	*  1.0 HELO_NO_DOMAIN Relay reports its domain incorrectly