Problem solve
Get help with specific problems with your technologies, process and projects.
What happens when email is sent to a non-existent user?
Exchange Server expert David Sengupta explains what happens to email that is sent to a non-existent user.
What happens when email is sent to a non-existent user?
Good question. It ends up being issued in an Exchange Server non-delivery report (NDR), but what specifically happens to the message depends on your particular configuration. See Microsoft Knowledge Base Article 315631 "
How to forward mail with unresolved recipients to a single mailbox" for details.
Expert Advice: Create a 'catch-all' box to receive improperly addressed email
Tip: Dealing with undeliverable messages in Exchange Server
FAQ: Exchange Server non-delivery reports
Reference Center: Exchange non-delivery reports tips and resources
Do you have comments on this Ask the Expert Q&A? Let us know.
Related information from SearchExchange.com:
Dig Deeper on Exchange Server setup and troubleshooting
Have a question for an expert?
Please add a title for your question
Get answers from a TechTarget expert on whatever's puzzling you.
Meet all of our Windows Server experts
View all Windows Server questions and answers
Start the conversation
0 comments