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;firstname.lastname@example.org (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.
Apparently, Jouranl was setup for this user but I can't see how to disable it to see if that is the problem