You need to resolve the issue reported by User3. Which registry key should you create?

You need to resolve the issue reported by User2.
How should you complete the commands? To answer, select the appropriate options in the answer are a. NOTE: Each correct selection is worth one point.

A company uses Exchange Online.
A user reports that they did not receive an email from an external sender. You perform a message trace and observe the following in the message header SFV: BLK You need to resolve the issue.
Solution: Add the sender's email address to the recipient's allowed list Does the solution meet the goal?

A company named
All email sent to the recipient named [email protected] must be recorded in the journaling mailbox. You observe that emails are not being journaled to the journal mailbox.
You need to resolve the issue.
How should you complete the command? To answer, select the appropriate options m the answer area.
NOTE: Each correct selection is worth one point.

A company uses Microsoft Exchange Server 2019. The company enabled journaling for all users.
Some emails are not being journaled because the journaling mailbox is not available.
You need to resolve the issue.
Which cmdlets should you run? To answer, drag the appropriate cmdlets to the correct configurations. Each cmdlet may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.
NOTE: Each correct selection is worth one point.