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Thread: Production terrible problem

  1. #1
    g2d
    g2d is offline Active Member
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    Default Production terrible problem

    Hi Everyone,

    I've a terrible problem with my production zimbra, this morning i've found in log this output like this

    Jun 30 06:45:13 mail postfix/error[21778]: B81DA632FF1: to=<cutefallangel@yahoo.com.tw>, relay=none, delay=18140, delays=18140/0.21/0/0.47, dsn=4.7.0, status=deferred (delivery temporarily suspended: host mx-tw.mail.gm0.yahoodns.net[203.188.197.111] refused to talk to me: 421 4.7.0 [TS01] Messages from X.Y.Z.T temporarily deferred due to user complaints - 4.16.55.1; see http://postmaster.yahoo.com/421-ts01.html)


    Now the mail server has become (itself) Open Relay and now I've 20K email in queue..

    This is in production for about 15 months without problem.

    How could I solve ?

    Help Me

    Thank you very much

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

    How about a hint of which Zimbra release and version you have installed? Post the output of the following command (and update your forum profile with it, as well):

    Code:
    zmcontrol -v
    Have you used one of the internet services that check if you're an open relay, does it show that you are?
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

  3. #3
    g2d
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    Hi
    thank you for your reply Release

    The version is 7.1.4_GA_2555.UBUNTU10_64 UBUNTU10_64 FOSS edition.

    Yes I've use mxtoolbox and mailradar

    this is output of mxtoolbox

    220 mail.XYZ.TT ESMTP Postfix [810 ms]
    EHLO please-read-policy.mxtoolbox.com
    250-mail.XYZ.TT
    250-PIPELINING
    250-SIZE 10240000
    250-VRFY
    250-ETRN
    250-ENHANCEDSTATUSCODES
    250-8BITMIME
    250 DSN [800 ms]
    MAIL FROM: <supertool@mxtoolbox.com>
    250 2.1.0 Ok [783 ms]
    RCPT TO: <test@example.com>
    250 2.1.5 Ok [890 ms]
    QUIT

    SendSMTPCommand: You hung up on us after we connected. Please whitelist us. (connection lost)

    MXTB-PWS3v2 4373ms


    thank you very much

  4. #4
    phoenix is offline Zimbra Consultant & Moderator
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    Quote Originally Posted by g2d View Post
    SendSMTPCommand: You hung up on us after we connected. Please whitelist us. (connection lost)
    That doesn't show you as being an open relay, why do you think your server is an open relay? Have you checked if there's a compromised account (search the forums for those words) on your server? You do have a strong password policy on your server, don't you?
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

  5. #5
    g2d
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    this is the mail radar output......

    is open relay or not open relay ... thank you so much



    >>> QUIT
    <<< 221 2.0.0 Bye
    [TEST NOT PASSED]
    [Method 1]
    <<< 220 mai.myserver.xy ESMTP Postfix
    >>> HELO mailradar.com
    <<< 250 mai.myserver.xy
    >>> MAIL FROM: <antispam@mailradar.com>
    <<< 250 2.1.0 Ok
    >>> RCPT TO: relaytest@mailradar.com
    <<< 250 2.1.5 Ok
    >>> QUIT
    <<< 221 2.0.0 Bye
    [TEST NOT PASSED]
    [Method 2]
    <<< 220 mai.myserver.xy ESMTP Postfix
    >>> HELO mailradar.com
    <<< 250 mai.myserver.xy
    >>> MAIL FROM: <antispam>
    <<< 250 2.1.0 Ok
    >>> RCPT TO: <relaytest@mailradar.com>
    <<< 250 2.1.5 Ok
    >>> QUIT
    <<< 221 2.0.0 Bye
    [TEST NOT PASSED]
    [Method 3]
    <<< 220 mai.myserver.xy ESMTP Postfix
    >>> HELO mailradar.com
    <<< 250 mai.myserver.xy
    >>> MAIL FROM: <>
    <<< 250 2.1.0 Ok
    >>> RCPT TO: <relaytest@mailradar.com>
    <<< 250 2.1.5 Ok
    >>> QUIT
    <<< 221 2.0.0 Bye
    [TEST NOT PASSED]
    [Method 4]
    <<< 220 mai.myserver.xy ESMTP Postfix
    >>> HELO mailradar.com
    <<< 250 mai.myserver.xy
    >>> MAIL FROM: <antispam@[X.Y.Z.T]>
    <<< 250 2.1.0 Ok
    >>> RCPT TO: <relaytest@mailradar.com>
    <<< 250 2.1.5 Ok
    >>> QUIT
    <<< 221 2.0.0 Bye
    [TEST NOT PASSED]
    [Method 5]
    <<< 220 mai.myserver.xy ESMTP Postfix
    >>> HELO mailradar.com
    <<< 250 mai.myserver.xy
    >>> MAIL FROM: <antispam@[X.Y.Z.T]>
    <<< 250 2.1.0 Ok
    >>> RCPT TO: <relaytest%mailradar.com@[X.Y.Z.T]>
    <<< 250 2.1.5 Ok
    >>> QUIT
    <<< 221 2.0.0 Bye
    [TEST NOT PASSED]
    [Method 6]
    <<< 220 mai.myserver.xy ESMTP Postfix
    >>> HELO mailradar.com
    <<< 250 mai.myserver.xy
    >>> MAIL FROM: <antispam@[X.Y.Z.T]>
    <<< 250 2.1.0 Ok
    >>> RCPT TO: <relaytest%mailradar.com.com@[mai.myserver.xy]>
    <<< 501 5.1.3 Bad recipient address syntax
    >>> QUIT
    <<< 221 2.0.0 Bye
    [TEST PASSED]
    [Method 7]
    <<< 220 mai.myserver.xy ESMTP Postfix
    >>> HELO mailradar.com
    <<< 250 mai.myserver.xy
    >>> MAIL FROM: <antispam@[X.Y.Z.T]>
    <<< 250 2.1.0 Ok
    >>> RCPT TO: <"relaytest@mailradar.com">
    <<< 250 2.1.5 Ok
    >>> QUIT
    <<< 221 2.0.0 Bye
    [TEST NOT PASSED]
    [Method 8]
    <<< 220 mai.myserver.xy ESMTP Postfix
    >>> HELO mailradar.com
    <<< 250 mai.myserver.xy
    >>> MAIL FROM: <antispam@[X.Y.Z.T]>
    <<< 250 2.1.0 Ok
    >>> RCPT TO: <"relaytest%mailradar.com">
    <<< 250 2.1.5 Ok
    >>> QUIT
    <<< 221 2.0.0 Bye
    [TEST NOT PASSED]
    [Method 9]
    <<< 220 mai.myserver.xy ESMTP Postfix
    >>> HELO mailradar.com
    <<< 250 mai.myserver.xy
    >>> MAIL FROM: <antispam@[X.Y.Z.T]>
    <<< 250 2.1.0 Ok
    >>> RCPT TO: <relaytest@mailradar.com@[X.Y.Z.T]>
    <<< 250 2.1.5 Ok
    >>> QUIT
    <<< 221 2.0.0 Bye
    [TEST NOT PASSED]
    [Method 10]
    <<< 220 mai.myserver.xy ESMTP Postfix
    >>> HELO mailradar.com
    <<< 250 mai.myserver.xy
    >>> MAIL FROM: <antispam@[X.Y.Z.T]>
    <<< 250 2.1.0 Ok
    >>> RCPT TO: <"relaytest@mailradar.com"@[X.Y.Z.T]>
    <<< 250 2.1.5 Ok
    >>> QUIT
    <<< 221 2.0.0 Bye
    [TEST NOT PASSED]
    [Method 11]
    <<< 220 mai.myserver.xy ESMTP Postfix
    >>> HELO mailradar.com
    <<< 250 mai.myserver.xy
    >>> MAIL FROM: <antispam@[X.Y.Z.T]>
    <<< 250 2.1.0 Ok
    >>> RCPT TO: <relaytest@mailradar.com@mai.myserver.xy>
    <<< 250 2.1.5 Ok
    >>> QUIT
    <<< 221 2.0.0 Bye
    [TEST NOT PASSED]
    [Method 12]
    <<< 220 mai.myserver.xy ESMTP Postfix
    >>> HELO mailradar.com
    <<< 250 mai.myserver.xy
    >>> MAIL FROM: <antispam@[X.Y.Z.T]>
    <<< 250 2.1.0 Ok
    >>> RCPT TO: <@[X.Y.Z.T]:relaytest@mailradar.com>
    <<< 250 2.1.5 Ok
    >>> QUIT
    <<< 221 2.0.0 Bye
    [TEST NOT PASSED]
    [Method 13]
    <<< 220 mai.myserver.xy ESMTP Postfix
    >>> HELO mailradar.com
    <<< 250 mai.myserver.xy
    >>> MAIL FROM: <antispam@[X.Y.Z.T]>
    <<< 250 2.1.0 Ok
    >>> RCPT TO: <@[mai.myserver.xy]:relaytest@mailradar.com>
    <<< 250 2.1.5 Ok
    >>> QUIT
    <<< 221 2.0.0 Bye
    [TEST NOT PASSED]
    [Method 14]
    <<< 220 mai.myserver.xy ESMTP Postfix
    >>> HELO mailradar.com
    <<< 250 mai.myserver.xy
    >>> MAIL FROM: <antispam@[X.Y.Z.T]>
    <<< 250 2.1.0 Ok
    >>> RCPT TO: <mailradar.com!relaytest>
    <<< 250 2.1.5 Ok
    >>> QUIT
    <<< 221 2.0.0 Bye
    [TEST NOT PASSED]
    [Method 15]
    <<< 220 mai.myserver.xy ESMTP Postfix
    >>> HELO mailradar.com
    <<< 250 mai.myserver.xy
    >>> MAIL FROM: <antispam@[X.Y.Z.T]>
    <<< 250 2.1.0 Ok
    >>> RCPT TO: <mailradar.com!relaytest@[X.Y.Z.T]>
    <<< 250 2.1.5 Ok
    >>> QUIT
    <<< 221 2.0.0 Bye
    [TEST NOT PASSED]
    [Method 16]
    <<< 220 mai.myserver.xy ESMTP Postfix
    >>> HELO mailradar.com
    <<< 250 mai.myserver.xy
    >>> MAIL FROM: <antispam@[X.Y.Z.T]>
    <<< 250 2.1.0 Ok
    >>> RCPT TO: <mailradar.com!relaytest@[mai.myserver.xy]>
    <<< 501 5.1.3 Bad recipient address syntax
    >>> QUIT
    <<< 221 2.0.0 Bye
    [TEST PASSED]
    [Method 17]
    <<< 220 mai.myserver.xy ESMTP Postfix
    >>> HELO mailradar.com
    <<< 250 mai.myserver.xy
    >>> MAIL FROM: <antispam@[X.Y.Z.T]>
    <<< 250 2.1.0 Ok
    >>> RCPT TO: <relaytest%mailradar.com@>
    <<< 250 2.1.5 Ok
    >>> QUIT
    <<< 221 2.0.0 Bye
    [TEST NOT PASSED]
    [Method 18]
    <<< 220 mai.myserver.xy ESMTP Postfix
    >>> HELO mailradar.com
    <<< 250 mai.myserver.xy
    >>> MAIL FROM: <antispam@[X.Y.Z.T]>
    <<< 250 2.1.0 Ok
    >>> RCPT TO: <relaytest@mailradar.com@>
    <<< 250 2.1.5 Ok
    >>> QUIT
    <<< 221 2.0.0 Bye
    [TEST NOT PASSED]

  6. #6
    phoenix is offline Zimbra Consultant & Moderator
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    Zimbra doesn't magically become an open relay on it's own, what changes have you made to your Zimbra server or your server operating system or even your local LAN or firewall configuration? Have you also looked at any of the forum threads (and solutions) on this topic?
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

  7. #7
    g2d
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    Hi ,

    Two or three week ago i've installed a new second network card but it worked without any problem.

    Yes, I've looked for a solutions, the open relay is a simple problem that in other time and on other server i've already resolved, but at this time by the common solutions I can't resolve it.

    Thank you very much

    thank you for you patience

    G2d

  8. #8
    phoenix is offline Zimbra Consultant & Moderator
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    Why did you add a second NIC and is it connected to the LAN or a Public IP address? Are you actually behind a NAT router and/or firewall?
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

  9. #9
    g2d
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    Now I've only one nic,

    I've removed the second nic, I've installed it for 2 PUBLIC IP

    Yes I'm behind Firewall/NAT but there is a rule since two years without problem

    The rule is very simple 1:1 NAT --- PUBLIC IP[25] <----tcp----> private IP[25]

    thak you very much

    G2D

  10. #10
    g2d
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    Hi,

    I've looked by I thik there aren't any compromised accounts.

    Is there a strategy to understand if server is sending email? ...

    thank you very much

    G2d

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