Exchange 2007 Delivery Failed RRS feed

  • Question

  • Hi, my name is Osvaldo and i'm having a problem with my exchange 2007 server.

    Someone in another domain is trying to send an email to our distribution list and she is getting the following error:

    Delivery has failed to these recipients or distribution lists:


    The recipients email address was not found in the recipient's email system. Microsoft exchange will not try to delivery this email for you. Please check the email address and try ressending this message, or provide the following diagnostic text to your system administrator.

    The following organization rejected your message: mail.mydomain.xx.yy


    But it only happens when the person try sending to a distribution list, when sending to an induvidual like me it works fine.

    Please help

    Monday, May 7, 2012 10:32 AM

All replies

  • Have you verified the email address for the DL?

    100% confirmed it's correct?

    The sender, are they external or part of the same Exch Org?

    Can they send from OWA and test, could be a wrong/corrupt cache.


    • Proposed as answer by Castinlu Tuesday, May 8, 2012 2:37 AM
    • Unproposed as answer by Castinlu Tuesday, May 8, 2012 2:44 AM
    • Proposed as answer by Castinlu Tuesday, May 8, 2012 2:48 AM
    Monday, May 7, 2012 12:30 PM
  • Check the group to make sure it is not required that the user be authenticated for mail delivery to happen.  You description sounds like it is an external user and they would receive an NDR if the group was never changed, the default setting is to require users to be authenticated in order to send mail to the group.

    Monday, May 7, 2012 12:38 PM
  • hi,

    All members in the Dl can't receive message or part of them? Have you do some change? Like move some members from the Dl.

    Use the message tracking log to track the message that sent to the DL.  Find more information about your issue.

    hope can help you



    TechNet Community Support

    Tuesday, May 8, 2012 2:43 AM