Andrew,
Just to clear up any confusion, this message was sent by Doug through
his own SmarterMail/Declude server, so his IP was the connecting hop and
the DYNA/hop limiting tricks won't have an effect here.
I think it might be valuable if people resisted the temptation of
removing IP's from headers when shared because those that might help out
would often benefit from this information. Sometimes it doesn't really
matter of course, and Doug did give enough information to figure this
out, but the three received headers were confusing without a careful read.
Matt
Colbeck, Andrew wrote:
Doug, you're probably scoring on multiple hops by setting your HOPHIGH
in global.cfg ...
If you don't want RBLs to score on multiple hops, just comment out that
HOPHIGH line.
Alternatively, rename your CBL test to CBL-DYNA (don't forget to change
the global.cfg definition plus the action line wherever it appears in
your configuration files (e.g. CBL WARN to CBL-DYNA WARN).
Andrew 8)
p.s. Is your own machine's address on the Internet, or was CBL listing
an internal, non-routable IP address like 192.168.1.1 ?
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Douglas Cohn
Sent: Monday, June 13, 2005 5:03 PM
To: Declude.Virus@declude.com
Subject: [Declude.Virus] Declude using CBL to block users sending
mail?????
My desktop IP was erroneously listed on CBL. It seems that declude is
checking autheticated users sending mail for CBL and according to CBL
this is wrong. SEE below
Here is the header showing what went on with the actual Ips removed to
proect the innocent (ME). But it sure seems that my desktop machine is
the one being checked and shown as on CBL. Had 10 points been enough I
would not have been able to send mail. The ONLY address within the
below HEADER that was actually listed in the CBL is the HOST machine
sending the email. NOT the MAIL servers but MY DESKTOP of which I am an
authenticated sender.
Why would declude check an authenticated sender on the CBL list?
This all started because Smartermails SPAM does NOT check the
authenticated senders and this is what confused me intially. IE I
thought Smartermails SPAM was not working properly on another server
where I do NOT have declude ANTISPAM installed. BUT as you see
according to CBL it should NOT detect CBL on an autheticated senders IP.
According to CBL this is not how the list is designed.
Return-Path: <[EMAIL PROTECTED]> Sun Jun 12 18:35:56 2005
Received: from forwardeddestinationmailserver [123.123.123.123] by
forwardeddestinationmailserver with SMTP;
Sun, 12 Jun 2005 18:35:56 -0400
Received: from decludesmtpserver [456.456.456.456] by
destinationmailserver with SMTP;
Sun, 12 Jun 2005 18:35:20 -0400
Received: from UnknownHost [IP-in-CBL=MY DESKTOP] by decludesmtpserver
with SMTP;
Sun, 12 Jun 2005 18:34:59 -0400
From: "douglas cohn" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Cc: <[EMAIL PROTECTED]>
Subject: Test cbl
Date: Sun, 12 Jun 2005 18:34:52 -0400
MIME-Version: 1.0
Content-Type: text/plain;
charset="us-ascii"
Content-Transfer-Encoding: 7bit
X-Mailer: Microsoft Office Outlook, Build 11.0.6353
Thread-Index: AcVvnvNNt9F+fMW3RTWO2wS4w3LH6A==
X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180
X-Declude-Sender: [EMAIL PROTECTED] [IPinCBL=MY DESKTOP]
X-Declude-Spoolname: 37296653.EML
X-Declude-Scan: Score [10] at 18:35:09 on 12 Jun 2005
X-Declude-Fail: CBL, WEIGHT10
X-Country-Chain: UNITED STATES->destination
X-SmarterMail-Spam: SPF_None
X-Rcpt-To: <[EMAIL PROTECTED]>
http://cbl.abuseat.org/
We're getting a lot of reports of spurious blocking caused by sites
using the CBL to block authenticated access to smarthosts / outgoing
mail servers. THE CBL is only designed to be used on INCOMING mail, i.e.
on the hosts that your MX records point to.
If you use the same hosts for incoming mail and smarthosting, then you
should always ensure that you exempt authenticated clients from CBL
checks, just as you would for dynamic/dialup blocklists.
Another way of putting this is: "Do not use the CBL to block your own
users".
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