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exchange server 2007 can't receive external mail

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  • exchange server 2007 can't receive external mail

    Hi, I have set up an Exchange Server 2007 named win-server-2008.edwinpong.info on Windows sever 2008 and can send and receive internal mail successfully. And I can send out external mail but cannot receive external mail. The following error logs provided by ISP show an email sent from [email protected] to
    [email protected] :

    Headers.txt
    Received: from smtp03.cityu.edu.hk (localhost [127.0.0.1])
    by localhost (Postfix) with SMTP id 13A3A8369
    for <[email protected]>; Tue, 5 Jun 2012 13:21:22 +0800 (HKT)
    Received: from alumni.cityu.edu.hk (whitney01.sys0.cityu.edu.hk [144.214.6.115])
    by smtp03.cityu.edu.hk (Postfix) with ESMTP id BA5428366
    for <[email protected]>; Tue, 5 Jun 2012 13:21:21 +0800 (HKT)
    Received: from [61.10.18.5] by alumni.cityu.edu.hk (mshttpd); Tue, 05
    Jun 2012 13:21:21 +0800
    From: 88121099 <[email protected]>
    To: [email protected]
    Message-ID: <[email protected]>
    Date: Tue, 05 Jun 2012 13:21:21 +0800
    X-Mailer: Sun Java(tm) System Messenger Express 6.3-6.03 (built Mar 14
    2008; 32bit)
    MIME-Version: 1.0
    Content-Language: en
    Subject: testing 2
    X-Accept-Language: en
    Priority: normal
    Content-Type: text/plain; charset=us-ascii
    Content-Disposition: inline
    Content-Transfer-Encoding: 7bit
    X-PMX-Version: 5.6.1.2065439, Antispam-Engine: 2.7.2.376379, Antispam-Data: 2012.6.5.51221

    Detail.txt
    Reporting-MTA: dns; smtp03.cityu.edu.hk
    X-Postfix-Queue-ID: 13A3A8369
    X-Postfix-Sender: rfc822; [email protected]
    Arrival-Date: Tue, 5 Jun 2012 13:21:22 +0800 (HKT)
    Final-Recipient: rfc822; [email protected]
    Original-Recipient: rfc822;[email protected]
    Action: delayed
    Status: 4.4.1
    Diagnostic-Code: X-Postfix; connect to
    win-server-2008.edwinpong.info[61.10.18.5]:25: Connection timed out
    Will-Retry-Until: Fri, 8 Jun 2012 13:21:22 +0800 (HKT)

    MX record for email domain edwinpong.info
    edwinpong.info MX preference = 10, mail exchanger = win-server-2008.edwinpong.i
    nfo
    edwinpong.info nameserver = dns1.name-services.com
    edwinpong.info nameserver = dns2.name-services.com
    edwinpong.info nameserver = dns3.name-services.com
    edwinpong.info nameserver = dns4.name-services.com
    edwinpong.info nameserver = dns5.name-services.com
    win-server-2008.edwinpong.info internet address = 61.10.18.5
    dns1.name-services.com internet address = 98.124.192.1
    dns2.name-services.com internet address = 98.124.197.1
    dns3.name-services.com internet address = 98.124.193.1
    dns4.name-services.com internet address = 98.124.194.1
    dns5.name-services.com internet address = 98.124.196.1
    >

    What I have done but still cannot receive external mails:
    1) telnet my exchange server at port 25 successfully.
    2) opened port 25 at router to allow access to my server.
    3) closed firewall and anti-virus.
    4) receive SMTP connector listens to 0.0.0.0-255.255.255.255
    5) uncheck all secure certification at receive SMTP connector to receive external mails but still unsuccess.

    My conclusion:
    External mails are successfully sent to my exchange server but can't establish SMTP connection due to some unknown reasons. To make it simple, I just set up send SMTP connector at the exchange server and receive SMTP connector was set by default. So I think it is correct setting. Also I can't find any internal logs at the Exchange Server and event viewer. So I don't have any information or idea to resolve this problem. Also I have tried to install the server in Windows Server 2003 but got the same result.

    Could any body help me!!






  • #2
    Re: exchange server 2007 can't receive external mail

    Either the port isn't open, your networking isn't correct (wrong default gateway etc) or you have put restrictions on the Receive Connector.

    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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