Your company subscribes to the Office 365 Enterprise El plan. You are the Microsoft Exchange Online administrator. In the last week, employees have reported that they are receiving non-delivery report messages from other companies. The employees have not sent messages to recipients within those companies. You need to prevent non-delivery report messages from reaching employees.Which content filter option should you turn on in the Exchange admin center?
A. NDR backscatter
B. Conditional Sender ID filtering: hard fail
C. SPF record: hard fail
D. Block all bulk email messages
Answer:D
Your company subscribes to the Office 365 Enterprise El plan. You are the Microsoft Exchange Online administrator. In the last week, employees have reported that they are receiving non-delivery report messages from other companies. The employees have not sent messages to recipients within those companies. You need to prevent non-delivery report messages from reaching employees.Which content filter option should you turn on in the Exchange admin center?
A. NDR backscatter B. Conditional Sender ID filtering: hard fail C. SPF record: hard fail D. Block all bulk email messages