message was rejected by the server for the recipient domain

    General discussion

  • Helo everyone,

    I have just set up my exchange 2010 server on Ms windows server 2008 R2. I have also set up the dns and mx records and chesk they are configured ok. I can send mail from the domain but can send mail TO it from any account.

    I sent mail from my gmail accout and I got the following error:


    Delivery to the following recipient failed permanently:


    Technical details of permanent failure:
    Google tried to deliver your message, but it was rejected by the server for the recipient domain yyyyyy by mail.xxxxxxxxx. []

    The error that the other server returned was:
    550 5.7.1 Unable to relay

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

    DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
  ; s=20120113;
    MIME-Version: 1.0
    X-Received: by with SMTP id lp9mr2605252obb.65.1360956735584;
    Fri, 15 Feb 2013 11:32:15 -0800 (PST)
    Received: by with HTTP; Fri, 15 Feb 2013 11:32:15 -0800 (PST)
    Date: Fri, 15 Feb 2013 21:32:15 +0200
    Message-ID: <CAEUXGTZZHR8g4D-=
    Subject: mone test 1
    From: xxxxxxx
    To: yyyyyyyyy
    Content-Type: text/plain; charset=ISO-8859-1.

    ThenI run the Microsoft Remote connectivity test and got the results below.:

    Testing inbound SMTP mail flow for domain
    ExRCA failed to test inbound SMTP mail flow.
    Test Steps
    Attempting to retrieve DNS MX records for domain
    One or more MX records were successfully retrieved from DNS.
    Additional Details
    MX Records Host, Preference 30
    , Host, Preference 10
    Testing Mail Exchanger
    One or more SMTP tests failed for this Mail Exchanger.
    Test Steps
    Attempting to resolve the host name in DNS.
    The host name resolved successfully.
    Additional Details
    IP addresses returned:
    Testing TCP port 25 on host to ensure it's listening and open.
    The port was opened successfully.
    Additional Details
    Banner received: 220 CFBSVR2.cfb.local Microsoft ESMTP MAIL Service ready at Fri, 15 Feb 2013 22:09:59 +0200
    Attempting to send a test e-mail message to using MX
    Delivery of the test message failed.
    Additional Details

    The server returned status code 550 - Mailbox unavailable. The server response was: 5.7.1 Unable to relay
    Exception details:
    Message: Mailbox unavailable. The server response was: 5.7.1 Unable to relay
    Type: System.Net.Mail.SmtpFailedRecipientException
    Stack trace:
       at System.Net.Mail.SmtpTransport.SendMail(MailAddress sender, MailAddressCollection recipients, String deliveryNotify, Boolean allowUnicode, SmtpFailedRecipientException& exception)
       at System.Net.Mail.SmtpClient.Send(MailMessage message)
       at Microsoft.Exchange.Tools.ExRca.Tests.SmtpMessageTest.PerformTestReally()

    Can any one help

    Friday, February 15, 2013 8:24 PM

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