Most administrators find nondelivery reports (NDRs) valuable as a troubleshooting tool. However, spam now swamps most mail servers that are connected to the Internet, often generating NDRs that queue up on mail servers and consume server resources. Because of this, some administrators now opt to stop sending NDRs in order to free up resources.

The Fix:
Although Exchange 2000 sends NDRs by default, you can disable them. Follow these steps:

  1. Open the Exchange System Manager and go to Global Settings.
  2. Expand Global Settings, and select Internet Message Format.
  3. In the right pane, open the Default properties.
  4. On the Advanced tab, deselect the Send Non-Delivery Reports check box, and click OK to close the dialog box.

Now your server will no longer send NDRs to legitimate senders or to spammers.

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