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  • Receiving external emails

    Hello to experts

    i know this issue is old , but iam facing now if anyone advise me on this , this is 3 weeks that we can't receive emails from outside domain , but we can send emails outside on exchange 2010 , we can telnet from outside as well it returns the result but the issue we are facing is 530 5.7.0 Must issue a STARTTLS command first.

    when we are sending email from yahoo it bounce back

    ---- Forwarded Message -----

    This is an automatically generated Delivery Status Notification.

    Unable to deliver message to the following recipients, because the message was forwarded more than the maximum allowed times. This could indicate a mail loop.




    i have checked in exchange server everything is fine , port 25 , 110 we can telnet also we have a PTR added to our MX. it''s pointing as well any help appreciated.



    thanks
    Last edited by fawad.azizi; 10th September 2013, 19:30.

  • #2
    Re: Receiving external emails

    The problem doesn't appear to be a connectivity problem, it appears that you have a mail loop somewhere. Is the email address that you're sending to configured to forward email to the originating email address?

    [email protected]-->
    [email protected]-->
    [email protected]-->
    [email protected]-->

    Etc., etc.
    Last edited by joeqwerty; 10th September 2013, 20:04.

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    • #3
      Re: Receiving external emails

      After a long time i just tested my emails , i got this message , but i can't still receive emails from outside.

      MX record found: mail.example.af (Priority 0)
      Connecting to mail.example.af
      Connected to mail.example.af
      Dialog with mail.example.af ok
      ------------------------------------------------------------
      220 DNS-OAF.example.af Microsoft ESMTP MAIL Service, Version: 7.5.7601.17514 ready at Wed, 11 Sep 2013 10:19:45 +0430
      HELO verifyemailaddress.org
      250 DNS-OAF.example.af Hello [144.76.8.131]
      MAIL FROM: <[email protected]>
      250 2.1.0 [email protected] OK
      RCPT TO: <[email protected]>
      250 2.1.5 [email protected]
      QUIT
      221 2.0.0 DNS-OAF.example.af Service closing transmission channel

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      • #4
        Re: Receiving external emails

        If you are getting this message: "Must issue a STARTTLS command first" then you have probably changed the settings on the Receive Connector. Delete the Default Receive Connector, recreate it. Don't change anything from the default other than enabling Anonymous authentication. Then restart the Transport service.

        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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