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WE do want to allow NDR's. I verified that this was checked. I suspect our Spam filter is blocking as a DHA??
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WE do want to allow NDR's. I verified that this was checked. I suspect our Spam filter is blocking as a DHA??

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Can someone tell me how to tell if I have disabled the option for Exchange to send NDR reports to users that try to email to an invalid address. these are users outside our domain sending to email addresses to us that dont exist...
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Can someone tell me how to tell if I have disabled the option for Exchange to send NDR reports to users that try to email to an invalid address. these are users outside our domain sending to email addresses to us that dont exist...

Senders not receiving NDR when sending to invalid email addresses

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.