How to stop Automatically generated messages to go on Internet from our Postmaster@mycompany.com

Our Exchange 2000 Server's Default SMTP Vitual Server has long queue but we didnt send emails to those domains - after checking & confirming we found that these are automatically generated messages going to those invalid domains from our Postmaster@ourcompany.com saying that - This message is a delivery status notification that cannot be delivered. They cant pass through our exchange server queue because domains are not valid (may be). How can I stop this because if we send test messages to HOTMAIL or on YAHOO it takes half an hour to get there. I want to stop automatically generated messages not to go on internet from our domain. Please provide solution I will be very grateful.
AzfarLAsked:
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VahikConnect With a Mentor Commented:
go to ur exchange system manager\global settings\internet message format
right clicl on default\properties\advanced and uncheck allow non-delivery reports.
this option will completely diable NDR's to all the external domains.
if ur company is hosting a few email domains u can turn this off for specific domains
that u are hosting.for example if ur exchange is responsible for abc.com and cbs.com u can turn off NDR's just for cbc.com if u like.
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jimdormanCommented:
I have the same problem ... I have un-checked non-delivery reports ... can you help?
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