Non-Delivery Report or Non-Delivery Receipt. This is what you get back from a mail server that was unable to deliver your message. The cause of the problem is usually contained within the message.
Please forward your NDR to your network administrator so he can determine what you screwed up.
The Urban Dictionary Mug
One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.
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