"Is Definitely Spam" rule not working ?

Pascal Maes pascal.maes at elec.ucl.ac.be
Fri Feb 1 08:00:09 GMT 2008


In MailScanner.conf, we have

# Spam Blacklist:
# Make this point to a ruleset, and anything in that ruleset whose value
# is "yes" will *always* be marked as spam.
# This value can be over-ridden by the "Is Definitely Not Spam" setting.
# This can also be the filename of a ruleset.
Is Definitely Spam = %rules-dir%/spam_blacklist.rules #was no

In spam_blacklist.rules, we have :

From:           66.63.168.                              yes

FromOrTo:       default                                 no

As this rule could be over-ridden, I check that

Is Definitely Not Spam = %rules-dir%/spam_whitelist.rules

the file spam_whitelist.rules doesn't contain anything about that  
domain or IP or the recipient

Then, I wonder why the following mail was not tagged as SPAM

Received: from smtp4.sgsi.ucl.ac.be ([])
by mmp.sipr-dc.ucl.ac.be (Sun Java(tm) System Messaging Server  
6.3-4.01 (built
Aug  3 2007; 32bit)) with ESMTP id <0JVI00FQIWFSZ240 at mmp.sipr-dc.ucl.ac.be 
for <email_address> (ORCPT email_address); Thu,
31 Jan 2008 20:21:28 +0100 (CET)
Received: from smtp4.sgsi.ucl.ac.be (localhost.localdomain [])
by smtp4.sgsi.ucl.ac.be (Postfix) with ESMTP id 4C027EFA3D	for
<email_address>; Thu, 31 Jan 2008 20:21:38 +0100 (CET)
Received: from rssl2.mytravfolks.com (unknown [])
by smtp4.sgsi.ucl.ac.be (Postfix) with ESMTP	for <email_address>; Thu,
31 Jan 2008 20:21:38 +0100 (CET)
Received: by rssl2.mytravfolks.com (qmail 412 by uid 77) id  
hk8fra01g741; Thu,
31 Jan 2008 14:19:07 -0500
Date: Thu, 31 Jan 2008 14:18:49 -0500
Date: Thu, 31 Jan 2008 14:18:48 -0500 (EST)
From: Travel Offers <Travel-Offers at mytravfolks.com>
X-SGSI-MailScanner: Found to be clean
X-SGSI-SpamCheck: NotSpam, SpamAssassin (not cached,	score=3.5,
requis 5, BOTNET_BADDNS 3.00, BOTNET_SOHO 0.50)
X-SGSI-Spam-Score: sss
X-SGSI-From: travel-offers at mytravfolks.com
X-SGSI-Spam-Status: No


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