Microsoft MS-203 Question Answer
You have a Microsoft Exchange Online tenant that contains a mailbox named Mailbox1.
You need to ensure that Mailbox1 rejects all external email messages and responds with the following non-delivery report (NDR): "Mailbox1 is an automated system mailbox and does not accept incoming mail.
What should you do?
Microsoft MS-203 Summary
- Vendor: Microsoft
- Product: MS-203
- Update on: Jul 29, 2025
- Questions: 394