user not receiving internal emails

Hi, for some reason one of the users in this organisation cannot receive internal email - error message - A non-delivery report with a status code of 5.4.6 was generated for recipient rfc822;mohsin@heenafashions.co.uk (Message-ID <D8DF4EA4127BBC459AD86814BD4B7D6C12B744@server.HeenaFashions.local>).  
Cause: A forward loop was detected by the categorizer. This is a common hosting configuration problem caused when someone uses the provisioning tool to create a contact in one organization unit and creates a user in a different organization user that share the same e-mail address.    
Solution: Verify that you do not have a user in organizational unit and a contact in a different organizational unit that have the same e-mail address.

I am not sure where to look to get this sorted out.

Any ideas?

Apparently, Jouranl was setup for this user but I can't see how to disable it to see if that is the problem

Thanks
Chris
choy77Asked:
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prazworldConnect With a Mentor Commented:
Also, please look for forwarding email addresses for this user. Maybe there is a contact id created with the same email address and you have enabled mail forwarding for the Domain account.

One thing that needs to be noted here is that a CONTACT I.D in Active Directory cannot be linked to an Exchange account in the Domain. Only Domain user I.d's can have a valid exchange account.

If you do not have an exchange account then you have a combination of Domain accounts and Contact I.D's with similar external email address.

Praveen.
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prazworldCommented:
Are you searching for the user i.d in the entire domain from the Active Directory users and computers MMC or are you looking at each OU individually? If so please select 'Entire Directory' and select user, Contact, and Groups in the Find box.

In the name box type in the user name in question and you should be getting a list of user i.d's matching. Double click on each of the "most possible" user I.D's and in the popup you should be able to see the email address. If two different user I.D's have the same email address, then you know what to do next.

Alternatively, in the Name box type in email address that is causing the conflict and you should be getting a set of user I.D's

Did you say you set up Journal for this user?

Praveen.
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choy77Author Commented:
Hi, yes Journal for this user was set up so that one user could see incoming and outgoing emails.

Ok I will try that

The Journal I have removed the user now and thought I had disabled it becasue when it was set up, then the user had stopped receiving emails all together.

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choy77Author Commented:
Hi, when you say similar email addresses do you mean the same or may vary slighlty?


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prazworldCommented:
The error that you got is from the same exact email address. if even there is a small change in either of the two email addresses then this error wouldnt have occured.

Hence it is the same exact email address in two different I.D's altogether that is causing the problem.
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choy77Author Commented:
Prazworld thanks!

Somebody had set up a forwarded to come back to himself!!

Works fine now, Thanks again.

Chris
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