Step 10 - Disable Non-Delivery Reports (NDRs)

Last published : Apr 17, 2026
You must disable NDRs for the domain to which you journal. This domain is the same domain that is used in the address space of the connector.
If there are any issues delivering your journaled emails, this step prevents NDRs from being sent back to the original sender(s). If NDRs are sent it gives a false impression that emails are not delivered. This step is also necessary for emails to journal with the message header information in plain text and to allow automatic forwarding of journaled email.
To create a custom rule to disable NDRs
  1. Select Start > Programs > Microsoft Exchange > System Manager.
  2. Expand the Global Settings folder in the left navigation menu, right-click Internet Message Formats, then selectNewand then selectDomain.
  3. In the General tab of the Properties window, enter your domain name and enter the Domain (address space) used to create the SMTP Connector in Step 2.
  4. In the Message Format tab of the Properties window, select the MIMEradio button and selectProvide message body as plain text radio button.
  5. In the Advanced tab of the Properties window, select the Never useradio button within the Exchange rich-text format section. Deselect theAllow non-delivery reports check box.
  6. Click OK to close the Properties window. You have successfully disabled non-delivery reports.
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