Exchange SBS 2003 server stopped receiving mail over the weekend, senders getting "Relay access deni

Posted by Charlie W. on Server Fault See other posts from Server Fault or by Charlie W.
Published on 2010-06-01T20:58:39Z Indexed on 2010/06/01 21:04 UTC
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email

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exchange

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sbs2003

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access

Firstly, I should say that I know my way around Windows very well, I don't really know the first thing about Exchange.

I am trying to support a user that is running an SBS2003 Server with Exchange. Over the weekend, everyone sending something to any of his addresses gets an error message like the following:

Delivery to the following recipient failed permanently:

        [email protected]

Technical details of permanent failure:
Google tried to deliver your message, but it was rejected by the recipient domain. We recommend contacting the other email provider for further information about the cause of this error. The error that the other server returned was: 554 554 5.7.1 <[email protected]>: Relay access denied (state 14).

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

    Received: by 10.114.18.7 with SMTP id 7mr5572745war.127.1275423472120; Tue, 01
           Jun 2010 13:17:52 -0700 (PDT)
    MIME-Version: 1.0
    Sender: [email protected]
    Received: by 10.143.10.15 with HTTP; Tue, 1 Jun 2010 13:17:32 -0700 (PDT)
    From: My Name <[email protected]>
    Date: Tue, 1 Jun 2010 15:17:32 -0500
    X-Google-Sender-Auth: XiPrP8Em_6Eb94EH9m84nJVGvCY
    Message-ID: <[email protected]>
    Subject: TEST
    To: Client <[email protected]>
    Content-Type: multipart/alternative; boundary=001636b1484ffe72470487fdaa5b

There are a host of errors in the Application log, but nothing that leaps out at me as being obvious. But then again, I don't really know what I'm looking for.

Any help would be greatly appreciated.

Developer IT