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Thread: Web mail MTA Hostname

  1. #11
    phoenix is offline Zimbra Consultant & Moderator
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    You're still not answering my question so I'll ask them again:

    1. Why do you think you're sending spam through Zimbra?

    2. Have you got users that are spammers?

    3. What are the entries in the RBL lists?

    4. Are you on a dynamic IP address?

    Merely being listed on an RBL list doesn't mean that you have actually sent spam.
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

  2. #12
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    Exclamation reply to questions

    Hi,
    1- I don't think that i'm sending spam through zimbra. It's CBL that mentions that is their reason for listing my IP.
    2- If there are users that are spammers how should i know that.
    3- There are no entries at CBL list. This is their URL cbl.abuseat.org
    4- my Zimbra server has one real ip and one private ip address in order to act as NAt firewall also.
    Thanks

  3. #13
    phoenix is offline Zimbra Consultant & Moderator
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    Quote Originally Posted by melody View Post
    Hi,
    1- I don't think that i'm sending spam through zimbra. It's CBL that mentions that is their reason for listing my IP.
    2- If there are users that are spammers how should i know that.
    3- There are no entries at CBL list. This is their URL cbl.abuseat.org
    4- my Zimbra server has one real ip and one private ip address in order to act as NAt firewall also.
    Thanks
    Your comments are slightly confusing (to me, at least). In comment 1 you say "It's CBL that mentions that is their reason for listing my IP." and then in comment 3 you say "There are no entries at CBL list" - those two comments contradict each other. Either their is an entry or there isn't an entry, which is it? Can you provide some details that you are listed and what the listing is for?

    Do you have a dynamic or fixed public IP address?

    You also shouldn't really run your Zimbra server on the firewall, it's not recommended that you do that.
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

  4. #14
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    Post details about answers

    Hi,
    I meant that my IP is listed by CBL. But a detailed reason for being listed is not mentoined. All reasons mentioned are possibilities not giving a specific reason.
    I have a fixed IP.
    I meant by the firewall is linux iptables packet filter firewall.

  5. #15
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    What kind of mail server were you running prior to installing Zimbra? Perhaps your previous mail server was hijacked and used as a SPAM machine without your knowledge?

    Have you contacted CBL and had your IP removed from their list?

    As far as your firewall goes, I think Phoenix is asking you whether or not Zimbra and IPTABLES are running on the same computer. Are they?
    Cheers,

    Travis

    "Let's look at this from a standpoint of "Status". What exactly, on the Space Craft, IS working?"
    -Flight Control, Apollo 13

  6. #16
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    Exclamation mail server and firewall-and delisting issue

    Hi,
    This mail server is built from scratch. No previous mail server was installed. Mentioning firewall I meant to explain that this firewall is the iptables firewall that is installed by default with linux and i think it's good not bad to have a firewall on the mail server for protection.
    Also i've said that before. I requested removel two times. And every time i'm delisted i got relisted again which means that the problem atill exists.

  7. #17
    phoenix is offline Zimbra Consultant & Moderator
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    Running a firewall on your mailserver might cause problems, good practice would be to run the Zimbra Server behind the firewall.

    Do you have any windows PCs on your LAN? If you do have you scanned them for any viruses, have you also scanned your linux boxes for rootkits. They are very careful about sites they list, did you read this page? Is that your IP?

    It's not specifically the fact you're listed that is the problem, it's why you're listed that is the problem. The problem is likely to be an internal problem on your network and not with Zimbra - you'll have to look there for the reason you're listed.
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

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