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Date:      Tue, 15 Jan 2008 16:45:27 +0100
From:      cpghost <cpghost@cordula.ws>
To:        John Almberg <jalmberg@identry.com>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: No spam???
Message-ID:  <20080115154527.GA15932@epia-2.farid-hajji.net>
In-Reply-To: <360AB6AE-B3C1-4CA6-AFC1-378B48B3C6DF@identry.com>
References:  <87A9631B-EAC5-41B8-B4C2-001C3ADBA486@identry.com> <200801150237.m0F2bqEg000116@banyan.cs.ait.ac.th> <360AB6AE-B3C1-4CA6-AFC1-378B48B3C6DF@identry.com>

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On Tue, Jan 15, 2008 at 08:48:32AM -0500, John Almberg wrote:
> I've been doing some more digging since my last post, and have figured out 
> that the spam is not being blocked by pf, as I suspected (since it wasn't 
> showing up in my spam folder), but by spamassassin blacklists.
> 
> The smtp log file has lots of entries like:
> 
> 2008-01-14 09:30:37.074087500 rblsmtpd: 123.20.89.67 pid 72121: 451 
> http://www.spamhaus.org/query/bl?ip=123.20.89.67
> 2008-01-14 09:31:05.271514500 rblsmtpd: 58.227.241.97 pid 72122: 451 
> Dynamic IP Addresses See: http://www.sorbs.net/lookup.shtml?58.227.241.97
> 2008-01-14 09:31:17.404943500 rblsmtpd: 41.196.155.56 pid 72123: 451 
> http://www.spamhaus.org/query/bl?ip=41.196.155.56
> 2008-01-14 09:31:18.304682500 rblsmtpd: 123.20.89.67 pid 72124: 451 
> http://www.spamhaus.org/query/bl?ip=123.20.89.67
> 
> So raises the same point that Oliver makes: how trustworthy are these 
> blacklists?

YMMV, of course!

I'm using spamhaus.org's blacklists for quite some time (many years)
to block spam in postfix and they've been VERY trustworthy so far.

But I can't say the same for the others, which seem occasionally a
little bit too eager/aggressive and accumulate way too many false
positives.

-cpghost.

-- 
Cordula's Web. http://www.cordula.ws/



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