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  • #5.1.8 smtp; 554 5.1.0 Sender denied> #SMTP#

    Hi, Please help!!

    Our Bisbane office uses Exchange 2010 and uses bigpond.com as a mail relay. They can received mails from us through our exchange 2010 server but when they send they got an NDR reply below. Are we being blacklisted by telstra or we having a exchange error? We can send and receive mails from other organization but sending to us from our brisbane office only is difficult.

    I have pasted the error message below that our brisbane office staffs got when they send mails to us.

    **************************************************

    Hi ,


    Tried replying to your email but bounced back with the same message again (refer below).

    Regards,

    xxxxxxxxxx


    _____________________________________________
    From: Mail Administrator [mailto:[email protected]]
    Sent: Tuesday, July 09, 2013 2:16 PM
    To: [email protected]
    Subject: Undeliverable: Hi



    Delivery has failed to these recipients or groups:

    [email protected]
    Your message couldn't be delivered because you weren't recognized as a valid sender. Make sure your sending address is set up correctly and try to send the message again. If the problem continues, please contact your helpdesk.


    The following organization rejected your message: xxxxxxx.naurugov.nr ( ourmail PublicIP).





    Diagnostic information for administrators:

    Generating server: nschwmtas05p.mx.bigpond.com

    [email protected]contoso.com
    xxxxxx.contoso.com (myServer Public IP) #<karawin.contoso.com (my server Public IP) #5.1.8 smtp; 554 5.1.0 Sender denied> #SMTP#


    Original message headers:

    Received: from nschwcmgw08p ([61.9.190.168]) by nschwmtas05p.mx.bigpond.com
    with ESMTP id
    <20130709041608.XYLR2020.nschwmtas05p.mx.bigpond.c [email protected]>
    for <xxxxxxxx@contoso.com>; Tue, 9 Jul 2013 04:16:08 +0000
    Received: from remote.brisbane.gov.nr ([203.45.30.112]) by nschwcmgw08p with
    BigPond Outbound id y4G81l00C2R8TDF014G8zt; Tue, 09 Jul 2013 04:16:08 +0000
    Received: from NAURUCONSSERVER.nauruconsulate.local
    ([fe80::7044:d2eb:7374:b49c]) by NAURUCONSSERVER.nauruconsulate.local
    ([fe80::7044:d2eb:7374:b49c%11]) with mapi id 14.01.0421.002; Tue, 9 Jul 2013
    14:16:07 +1000
    X-Authority-Analysis: v=2.0 cv=LvIQOwhc c=1 sm=1
    a=9vezkU0TfMTmF7jIpbaNHQ==:17 a=0eqKw1F_jlQA:10 a=xqWC_Br6kY4A:10
    a=pGLkceISAAAA:8 a=_8UXYySj0yAGrYJJZb0A:9 a=CjuIK1q_8ugA:10 a=RgD4slZP4HkA:10
    a=_sfs5q4zxuwA:10 a=MSl-tDqOz04A:10 a=ZjcBhYEk4BlnUBL9:21
    a=hsXaRhddEgiShQmK:21 a=yMhMjlubAAAA:8 a=SSmOFEACAAAA:8
    a=PfTMV07ZH5DGDncLc2YA:9 a=gKO2Hq4RSVkA:10 a=UiCQ7L4-1S4A:10
    a=hTZeC7Yk6K0A:10 a=frz4AuCg-hUA:10 a=KfgwJCd2h8_UH5Sr:21
    a=UTNCr3ogPdXulgh8:21 a=l4ZyE9iX2KMZtHHL:21 a=qkgFZ0mLOtRtziOkwHEA:9
    a=HXjIzolwW10A:10 a=xfZFiPair8buUzYQ:18 a=9vezkU0TfMTmF7jIpbaNHQ==:117
    From: Trent Dabwido <xxxxxx@brisbane.gov.nr>
    To: Isireli James <xxxxxxxxx@contoso.com>
    Subject: RE: Hi
    Thread-Topic: Hi
    Thread-Index: Ac58V6KIP75/dgQ2SBmH7G0TADYqUwAA1Ndw
    Date: Tue, 9 Jul 2013 04:16:06 +0000
    Message-ID: <[email protected] SSERVER.nauruconsulate.local>
    References: <[email protected] naoero.local>
    In-Reply-To: <[email protected] naoero.local>
    Accept-Language: en-GB, en-AU, en-US
    Content-Language: en-US
    X-MS-Has-Attach: yes
    X-MS-TNEF-Correlator:
    x-originating-ip: [10.10.10.13]
    Content-Type: multipart/related;
    boundary="_004_EED9DBFF0EEF084697F8A55D60C286D04C2 89C87NAURUCONSSERVER_";
    type="multipart/alternative"
    MIME-Version: 1.0


    Regards
    ,

    Brooklyn

  • #2
    Re: #5.1.8 smtp; 554 5.1.0 Sender denied&gt; #SMTP#

    Not sure what this has to do with Server 2003 so moving to Exchange forum
    Tom Jones
    MCT, MCSE (2000:Security & 2003), MCSA:Security & Messaging, MCDBA, MCDST, MCITP(EA, EMA, SA, EDA, ES, CS), MCTS, MCP, Sec+
    PhD, MSc, FIAP, MIITT
    IT Trainer / Consultant
    Ossian Ltd
    Scotland

    ** Remember to give credit where credit is due and leave reputation points where appropriate **

    Comment


    • #3
      Re: #5.1.8 smtp; 554 5.1.0 Sender denied&gt; #SMTP#

      Hi,

      am i doing something wrong, is this not the correct forum for exchange issues?

      please let me know.

      thank you

      Comment


      • #4
        Re: #5.1.8 smtp; 554 5.1.0 Sender denied&gt; #SMTP#

        It is NOW, but originally you posted in a forum for SERVER 2000/2003
        I moved the thread to the Exchange 2010 forum as a better place to get a proper response
        Tom Jones
        MCT, MCSE (2000:Security & 2003), MCSA:Security & Messaging, MCDBA, MCDST, MCITP(EA, EMA, SA, EDA, ES, CS), MCTS, MCP, Sec+
        PhD, MSc, FIAP, MIITT
        IT Trainer / Consultant
        Ossian Ltd
        Scotland

        ** Remember to give credit where credit is due and leave reputation points where appropriate **

        Comment


        • #5
          Re: #5.1.8 smtp; 554 5.1.0 Sender denied&gt; #SMTP#

          Originally posted by brooklyn View Post
          [email protected]
          Your message couldn't be delivered because you weren't recognized as a valid sender. Make sure your sending address is set up correctly and try to send the message again. If the problem continues, please contact your helpdesk.


          The following organization rejected your message: xxxxxxx.naurugov.nr ( ourmail PublicIP).

          Your Server is rejecting mails from your Brisbane office because it doesn't consider the sending server a valid source of mails from the domain in question.

          Do users at the Brisbane office have addresses in the same domain as the rest of your organization? If so, they should probably use your SMTP server for outgoing mail rather than the Bigpond relay. Your Exchange server doesn't expect incoming mail from an external server to have "From:" addresses in a domain for which the Exchange server is authoritative (and who can blame it).

          Have the Brisbane users use authenticated SMTP over the "mail submission" port (tcp/587).

          Comment


          • #6
            Re: #5.1.8 smtp; 554 5.1.0 Sender denied&gt; #SMTP#

            Really sorry about that! anyway thank you so much.

            No we have separate users for each domains but when they send to our domain they getting that error but to other domains it is OK.

            We both use a different domains for the different location.

            On the last bit (Have the Brisbane users use authenticated SMTP over the "mail submission" port (tcp/587) can you explain the steps so i can try and adjust the Brisbane server.

            thank you

            Comment


            • #7
              Re: #5.1.8 smtp; 554 5.1.0 Sender denied&gt; #SMTP#

              Originally posted by brooklyn View Post
              We both use a different domains for the different location.

              On the last bit (Have the Brisbane users use authenticated SMTP over the "mail submission" port (tcp/587) can you explain the steps so i can try and adjust the Brisbane server.
              The part about having the Brisbane users use your server for outbound SMTP was only relevant in the event you were using the same domain.

              Since you use different domains, there has to be something that causes your server to reject these mails, and that something is probably SPF records in the Brisbane domain's DNS zone. Not all servers check these records (which explains why they're able to send to other recipients), but Exchange Server does.

              Sender Policy Framework (SPF) is a mechanism designed to fight spam. Basically, you put the IP address of your outgoing mail server in DNS records, so other servers can determine if any given server is authorized to send mail for your domain.

              You need to sure the proper SPF records exist for the Brisbane domain. You can check the existing records (if any) here.

              Comment


              • #8
                Re: #5.1.8 smtp; 554 5.1.0 Sender denied&gt; #SMTP#

                Hi,

                Please find results of the SPF test on our brisbane domain:

                SPF record lookup and validation for: [email protected]
                SPF records are primarily published in DNS as TXT records.

                The TXT records found for your domain are:


                SPF records should also be published in DNS as type SPF records. No type SPF records found.

                Checking to see if there is a valid SPF record.

                No valid SPF record found of either type TXT or type SPF.

                regards

                Comment


                • #9
                  Re: #5.1.8 smtp; 554 5.1.0 Sender denied&gt; #SMTP#

                  Evidently, there are no SPF records for that domain.

                  The person responsible for managing the external DNS zone should create the proper records.

                  Comment

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