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Microsoft Exchange Delivery Failed to these recipients RRS feed

  • Question

  • My company users unable to send emails to some of the domains.

    Please I need help for the following error:

     

    Delivery has failed to these recipients or distribution lists: 

     

    tamer@optima.tc
    An error occurred while trying to deliver this message to the recipient's e-mail address. Microsoft Exchange will not try to redeliver this message for you. Please try resending this message, or provide the following diagnostic text to your system administrator.

     

    The following organization rejected your message: natrohost.com.

     

      _____  

    Sent by Microsoft Exchange Server 2007






     

    Diagnostic information for administrators:

     

    Generating server: eccmail.etesal.com.sa

     

    tamer@optima.tc
    natrohost.com #554 This server requires PTR for unauthenticated connections. ##

     

    Original message headers:

     

    Received: from eccmail.etesal.com.sa ([192.168.0.7]) by eccmail.etesal.com.sa
     ([192.168.0.7]) with mapi; Wed, 13 Jul 2011 15:18:38 +0300
    From: "Asrar M. Khan" <asrar@etesal.com.sa>
    To: "tamer@optima.tc" <tamer@optima.tc>
    CC: Mohammad Shahadeh <mohammad@etesal.com.sa>
    Disposition-Notification-To: "Asrar M. Khan" <asrar@etesal.com.sa>
    Return-Receipt-To: <asrar@etesal.com.sa>
    Date: Wed, 13 Jul 2011 15:18:35 +0300
    Subject: Questions re Installation
    Thread-Topic: Questions re Installation
    Thread-Index: AcxBVvzLwX8DV3nNRpWzzZCUV5Vd9Q==
    Message-ID: <AED830FC6D203C478659B9817CFD0ADB01657EBBAE74@eccmail.etesal.com.sa>
    Accept-Language: en-US
    Content-Language: en-US
    X-MS-Has-Attach: yes
    X-MS-TNEF-Correlator:
    acceptlanguage: en-US
    Content-Type: multipart/related;
                boundary="_004_AED830FC6D203C478659B9817CFD0ADB01657EBBAE74eccmailetes_";
                type="multipart/alternative"
    MIME-Version: 1.0


    Monday, July 25, 2011 10:22 AM

Answers