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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