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@NRhode is right, many mail servers do not return NDRs. &nbsp;This is especially true since they started being used to deliver spam.
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@NRhode is right, many mail servers do not return NDRs.  This is especially true since they started being used to deliver spam.

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thanks,<br />
I checked our exchage server, NDR is turned on. <br />
so I didn't get the bounce-back email because the client's exchange's NDR's turned off.
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thanks,
I checked our exchage server, NDR is turned on.
so I didn't get the bounce-back email because the client's exchange's NDR's turned off.

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<div class="content wysiwyg-content">
I am using outlook 2003, exchange server is 2003.<br />
<br />
I sent an email to the client, but I spelled the email address incorrectly, I checked online, it seems this address 'pat@specialtiesgraphic.co<wbr />m' &nbsp;is invalid.<br />
<br />
I wonder why I didn't get a bounce-back email? <br />
thanks
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I am using outlook 2003, exchange server is 2003.

I sent an email to the client, but I spelled the email address incorrectly, I checked online, it seems this address 'pat@specialtiesgraphic.com'  is invalid.

I wonder why I didn't get a bounce-back email? 
thanks

Why didn't I receive a bounce-back email?

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.

Exchange

Microsoft Outlook is a personal information manager from Microsoft, available as a part of the Microsoft Office suite. Although often used mainly as an email application, it also includes a calendar, task manager, contact manager, note-taker, journal, and web browser.