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  • Mail delivery problem

    hi all,

    pls help i am getting following error.

    The following message to <[email protected]> was undeliverable.
    The reason for the problem:
    5.1.0 - Unknown address error 554-'5.7.1 This message has been blocked
    because the return email domain is invalid.'



    regards,
    sanjay

  • #2
    Re: Mail delivery problem

    A little more info required here. Is this MS Exchange server? MS Outlook?

    And we have to take it that you have confirmed the address exists. Is this internal or are we looking at internal emails.

    Try doing a Google on "5.1.0 - Unknown address error 544" only
    The Univurse is still winning!

    W2K AD, WSUS, RIS 2003. ISA also AVG Server
    ** If contributors help you, recognise them and give reputation points where appropriate **

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    • #3
      Re: Mail delivery problem

      yes,


      Recipient server Exchange Server 2003,
      Recipient mail client is Outlook 2003,
      This problem is for external mails.

      waiting for help..
      regards

      Comment


      • #4
        Re: Mail delivery problem

        mod, please move to exchange forum
        Marcel
        Technical Consultant
        Netherlands
        http://www.phetios.com
        http://blog.nessus.nl

        MCITP(EA, SA), MCSA/E 2003:Security, CCNA, SNAF, DCUCI, CCSA/E/E+ (R60), VCP4/5, NCDA, NCIE - SAN, NCIE - BR, EMCPE
        "No matter how secure, there is always the human factor."

        "Enjoy life today, tomorrow may never come."
        "If you're going through hell, keep going. ~Winston Churchill"

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        • #5
          Re: Mail delivery problem

          Originally posted by Dumber View Post
          mod, please move to exchange forum
          Done!

          Michael
          Michael Armstrong
          www.m80arm.co.uk
          MCITP: EA, MCTS, MCSE 2003, MCSA 2003: Messaging, CCA, VCP 3.5, 4, 5, VCAP5-DCD, VCAP5-DCA, ITIL, MCP, PGP Certified Technician

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

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          • #6
            Re: Mail delivery problem

            Originally posted by sanjays View Post
            hi all,

            pls help i am getting following error.

            The following message to <[email protected]> was undeliverable.
            The reason for the problem:
            5.1.0 - Unknown address error 554-'5.7.1 This message has been blocked
            because the return email domain is invalid.'



            regards,
            sanjay
            Is it your server or the server you're sending to that is giving the error? Either way there's an issue with DNS. "return email domain is invalid" my guess is that the server that is receiving the email can't resolve the sender's domain.
            Regards,
            Jeremy

            Network Consultant/Engineer
            Baltimore - Washington area and beyond
            www.gma-cpa.com

            Comment


            • #7
              Re: Mail delivery problem

              Put your domain in to dnsreport.com and see if it throws back any errors.

              Simon.
              --
              Simon Butler
              Exchange MVP

              Blog: http://blog.sembee.co.uk/
              More Exchange Content: http://exchange.sembee.info/
              Exchange Resources List: http://exbpa.com/
              In the UK? Hire me: http://www.sembee.co.uk/

              Sembee is a registered trademark, used here with permission.

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