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Hidden Exchange 2003 Smarthost

Posted on 2009-04-30
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Last Modified: 2013-11-30
I have an issue with Exchange 2003 and the smarthost setting.  There isn't a smarthost defined, however at one point there was an entry for St. Bernard's MXPath service, This was removed months ago from the Exchange server, but on the MxPath service end, I never made any change to disable the service.  Today I disabled the services with MxPath and all email is bouncing when trying to send to external recipients.

This is very strange because there isn't a smarthost listed in the default smtp instance nor is there a connector with the information.  The default smtp instance is just set to use standard DNS.

I've even tried manually entering a smart-host, but this has no effect and the same IP address shows up in the event viewer.

Some history...this server replaced an older server.  Moved exchange services off of the old server onto this server and removed exchange off of the old server months ago.  Old server now just acts as a file server...no exchange services run on the old server.

In Outlook I'm getting and NDR -- 554 5.7.1 (Relay Access Denied)

In event viewer:  This is an SMTP protocol error log for virtual server ID 1, connection #11. The remote host "208.74.58.41", responded to the SMTP command "rcpt" with "554 5.7.1 <jjohnson@j2tec.com>: Relay access denied  ". The full command sent was "RCPT TO:<jjohnson@j2tec.com>  ".  This will probably cause the connection to fail.

This happens for sending mail to any external recipient.

Is there anywhere this entry maybe accessible using something like ADSI Edit or something similar.  I don't know where that IP Address is coming from.

Any help would be greatly appreciated.
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Question by:jermainejohnson
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kdagli earned 1000 total points
ID: 24276660
I am assuming that you have NO SMTP connector configured and you have not defined smarthost on default SMTP Virtual Server.

Run, iisreset.
Open adsiedit.msc - check the attached screenshot.


Secondly, I am suspecting your Metabase is not updated and might be still having an entry for the smarthost.
Use MetaEdit tool and in the tool itself navigate to SMTP default settings or the connector - check for the smarthost entry. If you find it, go ahead and remove it. (Make sure you take the backup of metabase before making any changes).

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by:jermainejohnson
ID: 31576742
Excellent answer...
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