You have a Microsoft 365 E5 subscription that contains a user named User1. You need to ensure that all email messages that contain attachments are encrypted automatically by using Microsoft Purview…

The correct answer is A. a mail flow rule. A mail flow rule (transport rule) in Exchange Online is the correct tool for automatically encrypting messages based on message properties such as the presence of attachments. You define a condition ('Message has attachments') and an action ('Apply Office 365 Message…

Implement information protection

Question

You have a Microsoft 365 E5 subscription that contains a user named User1. You need to ensure that all email messages that contain attachments are encrypted automatically by using Microsoft Purview Message Encryption. What should you create?

Options

Aa mail flow rule
Ba sensitivity label
Ca data loss prevention (DLP) policy
Dan information barrier segment

How the community answered

(49 responses)

A
92% (45)
B
4% (2)
C
2% (1)
D
2% (1)

Explanation

A mail flow rule (transport rule) in Exchange Online is the correct tool for automatically encrypting messages based on message properties such as the presence of attachments. You define a condition ('Message has attachments') and an action ('Apply Office 365 Message Encryption'). This happens automatically without user interaction. Sensitivity labels require user action or content-inspection-based auto-labeling - they cannot trigger on attachment presence alone. DLP policies are designed to restrict or block data sharing, not to apply encryption. Information barrier segments control who can communicate with whom, not how messages are encrypted.

Topics

#Microsoft Purview Message Encryption#Mail Flow Rules#Automatic Email Encryption#Information Protection

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