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Open Relay

Discussion in 'General Discussion' started by ukpro, Mar 14, 2005.

  1. ukpro

    ukpro Active Member

    Aug 25, 2004
    Likes Received:
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    Copied from General Server Chat as posted in wrong place:

    Hi all,

    Hope someone can help, I have implemented security on my mailserver in the form of ACL's. The following lists are used:

    dnslists =

    and it is working great, it is blocking almost 99.9% spam, it is blocking the odd wanted mails but I can live with that. Once thing that is still happening is someone is sending out mail using our domain name and adding anything before the @ sign as I am getting rejected mail from other sites, here is one below:

    2005-03-14 15:31:39 1DArXf-0004fr-AV []:51979 I=[]:25 F=<> rejected afte$
    Envelope-from: <>
    Envelope-to: <>
    P Received: from ([]:51979)
    by with esmtp (Exim 4.44)
    id 1DArXf-0004fr-AV
    for; Mon, 14 Mar 2005 15:31:39 +0000
    MIME-Version: 1.0
    F From: MAILER-DAEMON <>
    I Message-Id: <001101c528aa$43ee8b93$>
    Subject: **Message you sent blocked by Great Lakes Internet Spam Shark and
    Virus Viper email filter**

    How can I stop this. It is the only domain it is happening to and I think it is because this domain used to be hosted on a reseller account on the very insecure Interservers.

    Any help would be great.


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