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Thread: Relay access denied for AUTH outside users

  1. #1
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    Question Relay access denied for AUTH outside users

    Hi all!

    I use
    Code:
    zimbra Release 8.0.4.GA.5737.UBUNTU12.64 UBUNTU12_64 FOSS edition.
    It works fine for an our small company but we have a problems.

    I have turned on RBLs, because we have many spam messages. After that we have a fine result with it but some our external users can't send any e-mail via their MUA (iPAD) because zimbra reject it with a message like this:
    "relay denied bla-bla-bla".
    So, I have the following records in zimbra.log about it:
    Code:
    Sep 27 13:47:40 mail saslauthd[27122]: auth_zimbra: myuser auth OK
    Sep 27 13:47:40 mail postfix/smtpd[1230]: NOQUEUE: reject: RCPT from unknown[213.87.133.124]: 554 5.7.1 Service unavailable; Client host [213.87.133.124] blocked using cbl.abuseat.org; Blocked - see http://cbl.abuseat.org/lookup.cgi?ip=213.87.133.124; from=<myuser@mycompany.ru> to=<me@mycompany.ru> proto=ESMTP helo=<[10.52.114.117]>
    Sep 27 13:47:41 mail postfix/smtpd[1230]: disconnect from unknown[213.87.133.124]
    I have a confuse with ip 10.52.114.117 - I think it is an ip for internal NAT 3G clients.
    It is obviously for me about the user "myuser" ip is in The CBL db. It is OK, because the user use a public 3G network...

    How to tell zimbra to disable RBLs check for AUTH users? Or apply another solution...

  2. #2
    phoenix is offline Zimbra Consultant & Moderator
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    Default

    [QUOTE=VGusev2007;281769]So, I have the following records in zimbra.log about it:
    Code:
    Sep 27 13:47:40 mail saslauthd[27122]: auth_zimbra: myuser auth OK
    Sep 27 13:47:40 mail postfix/smtpd[1230]: NOQUEUE: reject: RCPT from unknown[213.87.133.124]: 554 5.7.1 Service unavailable; Client host [213.87.133.124] blocked using cbl.abuseat.org; Blocked - see http://cbl.abuseat.org/lookup.cgi?ip=213.87.133.124; from=<myuser@mycompany.ru> to=<me@mycompany.ru> proto=ESMTP helo=<[10.52.114.117]>
    Sep 27 13:47:41 mail postfix/smtpd[1230]: disconnect from unknown[213.87.133.124]
    /QUOTE]Did you actually read the error message? It states:

    It appears to be infected with a spam sending trojan, proxy or some other form of botnet.
    Are your users using the correct Submission Port 587 (they should be) or submitting via port 25?
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

  3. #3
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    Are your users using the correct Submission Port 587 (they should be) or submitting via port 25?
    Yes, my users using port 587. I'm reading this thread now: http://www.zimbra.com/forums/administrators/60072-8-0-2-community-edition-no-longer-allows-smtp-auth-users-send-email-rbl-blocked-6.html The thread discribe problem close to with my problem.

    I have the next RBLs (from zimbra wiki):

    dnsbl.njabl.org
    cbl.abuseat.org
    bl.spamcop.net
    dnsbl.sorbs.net
    sbl.spamhaus.org
    relays.mail-abuse.org

    I have a fresh install Zimbra 8.0.4

    I will glad about any help to me.

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