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From: Mike McCandless (michael_at_prismbiz.com)
Date: Sun Nov 03 2002 - 06:31:00 CST

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    I am employing the help of relays.ordb.org and bl.spamcop.net in my
    main.cf file:

    maps_rbl_domains = relays.ordb.org, bl.spamcop.net
    smtpd_client_restrictions = permit_mynetworks, reject_maps_rbl

    The problem I am having is that some of my email is not delivered
    directly to Postfix, but instead goes from sender through a domain
    called bigfoot.com, where it is forwarded to my "real" email address.
    In this case, the RBL/UCE parameters I have defined don't seem to be
    effective. That is, I have looked up in spamcop.net some of the
    originating IP addresses and they ARE in spamcop. For example, in the
    message headers below, htmail.net is in the spamcop database.

    Return-Path: <anonymoushtmail.net>
    Delivered-To: maryprismbiz.dnsalias.com
    Received: from bigfoot.com (unknown [64.15.239.131])
     by minnie.prismbiz.dnsalias.com (Postfix) with SMTP id DB6621B806
     for <maryprismbiz.dnsalias.com>; Sat, 2 Nov 2002 18:00:43 -0500 (EST)
    Received: from htmail.net ([216.234.238.163])
     by BFLITEMAIL1A.bigfoot.com (LiteMail v3.02(BFLITEMAIL1A)) with SMTP id
    02Nov2002_BFLITEMAIL1A_57518_3943117;
     Sat, 02 Nov 2002 17:05:56 -0500 EST
    Received: (qmail 16258 invoked by uid 501); 2 Nov 2002 16:18:19 -0000
    Message-ID: <20021102161819.16257.qmailhtmail.net>
    To: prismbigfoot.com
    Date: Sat, 2 Nov 2002 10:17:18 -0600
    Reply-To: <johnmauldininvestorsinsight.com>
    Sender: <johnmauldininvestorsinsight.com>
    From: "John Mauldin and InvestorsInsight"
    <johnmauldininvestorsinsight.com>

    Other than get rid of using bigfoot, are there any changes I can make to
    Postfix to detect that the sender is listed in one of my RBL lists?

    --------------------------------------------------------
    Mike McCandless
    michaelprismbiz.com

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