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Hi Rancy,<br />
<br />
that helped us. I will leave it open and maybe later I will describe in detail what we are dealing with here.
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Opened our eyes to the real problem - the return path was not what we expected it to be.
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Hi experts!<br />
<br />
We are trying to send mail as a distribution group - please don't ask why :)<br />
<br />
If the recipient cannot be found, Ex2007 SP3 sends no non-delivery-reports if the sender is a distribution group. Nothing happens, nobody gets notified that the message could not be delivered. In this case, the recipient is an exchange mailbox.<br />
<br />
Does this seem logical to you for some reason?
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Hi experts!

We are trying to send mail as a distribution group - please don't ask why :)

If the recipient cannot be found, Ex2007 SP3 sends no non-delivery-reports if the sender is a distribution group. Nothing happens, nobody gets notified that the message could not be delivered. In this case, the recipient is an exchange mailbox.

Does this seem logical to you for some reason?

Hi Rancy,

that helped us. I will leave it open and maybe later I will describe in detail what we are dealing with here.

Opened our eyes to the real problem - the return path was not what we expected it to be.

Exchange 07 sends no non-delivery-reports if the sender is a distribution group

Hi experts!

We are trying to send mail as a distribution group - please don&#39;t ask why :)

If the recipient cannot be found, Ex2007 SP3 sends no non-delivery-reports if the sender is a distribution group. Nothing happens, nobody gets notified that the message could not be delivered. In this case, the recipient is an exchange mailbox.

Does this seem logical to you for some reason?

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.