none
550 550 5.7.1 Recipient not authorized, your IP has been found on a block list (state 14)

    Question

  • Folks,

    I run SBS 2008 with Exchange 2007.  I'm getting a complaint from one outside person (using gmail.com) trying to send email to one of our employees.  Apparently sometimes the emails go through and sometimes he gets the bounce message below.  I looked to see if I was on any block lists and couldn't find any.  Any ideas how I can fix this?

    Thanks,

    Mike

    Delivery to the
    following recipient failed permanently:



        user@domain.com



    Technical details of permanent failure:

    Google tried to deliver your message, but it was rejected by the recipient
    domain. We recommend contacting the other email provider for further
    information about the cause of this error. The error that the other server
    returned was: 550 550 5.7.1 Recipient not authorized, your IP has been found on
    a block list (state 14).



    ----- Original message -----



    Received: by 10.42.161.73 with SMTP id s9mr4833377icx.16.1328818665837;

           Thu, 09 Feb 2012 12:17:45 -0800 (PST)

    Return-Path: <sender@gmail.com>

    Received: from [192.168.0.75] (66.49.27.44.nw.nuvox.net. [66.49.27.44])

           by mx.google.com
    with ESMTPS id or2sm6641718igc.5.2012.02.09.12.17.43

           (version=TLSv1/SSLv3 cipher=OTHER);

           Thu, 09 Feb 2012 12:17:45 -0800 (PST)

    Sender: Sender <sender@gmail.com>

    From: Sender <sender@domain.com>

    Content-Type: multipart/alternative;
    boundary="Apple-Mail=_4CB48406-F729-4B31-B594-CCC175298E4F"

    Subject: info

    Date: Thu, 9 Feb 2012 15:17:42 -0500

    Message-Id: <1CF8EDA8-7EF6-4AA1-9179-ECBF9FED4FA0@domain.com>

    To: "User" domain@domain.com

    Mime-Version: 1.0 (Apple Message framework v1251.1)

    X-Mailer: Apple Mail (2.1251.1)



    Thursday, February 09, 2012 9:38 PM

All replies

  • Hi kywildcatfanone,

    From this error information, I suggest you check the anti-spam filtering feature for your Exchange Server.

    Since I don’t know what anti-spam and antivirus functionality you have enabled on Exchange Server, follow this document to check for Anti-Spam and Antivirus Filters:

    Understanding Anti-Spam and Antivirus Functionality
    http://technet.microsoft.com/en-us/library/aa997658.aspx

    Here is a similar thread for you, hope can give you some help:

    which rbl is bouncing the email
    http://social.technet.microsoft.com/Forums/en-US/exchangesvrantivirusandantispam/thread/e11bf685-40a7-45de-be12-a73a2a99e8c0

    Thanks,

    Evan Liu

    TechNet Subscriber Supportin forum

    If you have any feedback on our support, please contact tngfb@microsoft.com 



    Evan Liu

    TechNet Community Support

    Friday, February 10, 2012 7:32 AM
    Moderator
  • Evan,

    Thank you for your reply.  I'm not using an edge server just the hub transport, if that matters at all, I didn't say that in my original note.  I will look at the links you provided and see if I can tweak things a bit to get this one sender to work reliably.

    Thanks,

    Mike

    Friday, February 10, 2012 4:21 PM
  • Hello Mike

    As Suggested by Evan please check your Exchange server it has Anti-Spam functionality Enable or not, If not you can enable the Anti-Spam on your Hub-Transport Server and Configure it,

    You can view your Domain blacklisted or not from this site

    http://www.mxtoolbox.com/blacklists.aspx

    I would suggest you to have a good Anti-Spam for your Exchange Server.

    Thanks

    Mhussain


    Thanks Mhussain

    Saturday, February 11, 2012 7:04 AM
  • Hi Mike,

    Do you get any updates on this issue?

    Thanks,

    Evan Liu

    TechNet Subscriber Supportin forum

    If you have any feedback on our support, please contacttngfb@microsoft.com


    Evan Liu

    TechNet Community Support

    Monday, February 13, 2012 10:10 AM
    Moderator
  • Evan,

    Yes, here is an update.  I did have the anti-spam feature turned on and in use.  I had the spamhaus and spamcop services as RBLs to use.  I was only having issues with  the one email address, so I don't know what I can really do to prevent it, and only some of the emails from that one client are being trapped.  I did set up a custom message on both so if we find that they are getting refused at least I can see which services is preventing it.

    Should I add or change to other RBL's to use?

    Thanks,

    Mike

    Monday, February 13, 2012 2:04 PM
  • Hi Mike,

    After you check the settings, did you get any clue why these emails been blocked?

    Since only some emails being trapped, do you try to trace when these emails being trapped?

    I don't think you need to change RBLs only for one user, just try to trace when these emails being trapped, then we can norrow down to troubleshoot the issue.

    Thanks,

    Evan Liu

    TechNet Subscriber Supportin forum

    If you have any feedback on our support, please contacttngfb@microsoft.com


    Evan Liu

    TechNet Community Support

    Tuesday, February 14, 2012 3:00 PM
    Moderator
  • Hi Evan,

    Thanks for the reply.  Can you tell me how to try to trace these messages in the future, I'm not sure how to do that?

    Thanks,

    Mike

    Tuesday, February 14, 2012 3:17 PM
  • Hi Mike,

    Maybe you can enable protocol logging on your receive connectors, then check whether the trapped messages be received by Exchange Server or not?

    Configure Protocol Logging

    http://technet.microsoft.com/en-us/library/bb124531.aspx

    When you check the RBLs, did you get any related information?

    Thanks,

    Evan Liu

    TechNet Subscriber Supportin forum

    If you have any feedback on our support, please contacttngfb@microsoft.com


    Evan Liu

    TechNet Community Support

    Wednesday, February 15, 2012 7:44 AM
    Moderator
  • Evan,

    OK, I have turned on the protocol logging and we will see what happens.  I've had no other complaints than the one.

    When I checked the RBL via mxtoolbox, it came back OK for all RBL and one timeout.  I think that means it's all OK as best I can tell.

    Thanks

    Mike

    Wednesday, February 15, 2012 3:07 PM
  • Yes, please check on that issue and post the updates.

    Best Regards,

    Evan Liu

    TechNet Subscriber Supportin forum

    If you have any feedback on our support, please contacttngfb@microsoft.com


    Evan Liu

    TechNet Community Support

    Thursday, February 16, 2012 9:17 AM
    Moderator