All user users have a Microsoft 365 E5 license. You have a hybrid Microsoft Exchange Server. Some of your user's mailboxes are located in Microsoft 365 while others are located in the on-premises Exchange server
You are tasked with setting up and configuring Microsoft Defender for Office 365 anti-phishing policy.
Management has asked you to enable mailbox intelligence for all users.
What do you need to do to verify all mailboxes have mailbox intelligence enabled and working?
Mailbox intelligence will scan a user's mailbox to see if the user has sent or received emails from the sender of an email before. For mailbox intelligence to scan a mailbox then mailbox must be located in Microsoft 365's Exchange Online