Non deliverable bounce backs getting sent to other people than sender.

level9tech
level9tech used Ask the Experts™
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Emails have been getting bounced back to other people than sender. Any ideas??  Running Server 2003.          

 There was a SMTP communication problem with the recipient's email server.  Please contact your system administrator.
            <*****.COM #5.5.0 smtp;550 No such domain at this location
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Top Expert 2007

Commented:
To clarify...are you saying that a non-delivery is being received by the sender of the mail and is also being received by someone else as well?

If so, is that other person that is receiving the non-delivery notice identified in the properties of the SMTP Virtual Server under the "Messages" tab?

Author

Commented:
For example, I send out an email to fake@home.com, not being an address a bounce back email gets sent, but instead of me receiving it, a co-worker of mine gets the bounce back email. A co-worker who has nothing to do with the email it self.

MrLonandB-I will check the settings under the virtual server.

Author

Commented:
I just checked the messages tab, and there are no users listed under "forward all mail with unresolved recipients to"
Top Expert 2007
Commented:
Well, it would have been under: "Send a copy of non-delivery reports to:"

But I'll assume that you checked there as well.

OK. Who is this user -- is this user an Administrator/Exchange Administrator or just what? Do non-delivery messages from everyone go to this user or just from your account? Does this happen on any address that you get a non-delivery from, or is it just a specific address that you are sending to when this happens? Or...is it that when anyone sends and gets a non-delivery, the non-d notice is going to several different people at random.

There is no reason a non-d should go anywhere other than where it is supposed to go. So I need some more particulars as to just what is happen -- in order to better narrow-down where the problem may be. Thanks.

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