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  Asked: Jul 16 2008   4:10 PM GMT
  Asked by: ITKE

In the Application Event Viewer on my Exchange 2003 Server, I'm seeing lot of entries like this: The remote host "58.89.214.194" . . .


Event Viewer, Exchange 2003, Exchange error messages

In the Application Event Viewer on my Exchange 2003 Server, I'm seeing lot of entries like this:

The remote host "58.89.214.194", responded to the SMTP command "rcpt" with "550 No such address ". The full command sent was "RCPT TO:<+._-63terasaki@waseda.jp> ". This will probably cause the connection to fail.

Anti-virus and anti-spam controls are in place in my environment and I do not have an open relay.

Is there a way I can determine the source of these rogue outbound emails?

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Labnuke99  |   Jul 16 2008  4:54PM GMT

If they are rogue e-mails, are you absolutely sure you do not have an open relay? Try this service or this one to see if your host is permitting some relay. Check your connectors also to ensure that they are properly configured for your network. Turn on message tracking and review the logs.