Which of these items are required and which are simply best practices?

DRAG DROP

You are building a marketing email for your employer. Before you send the email, there are a number of things you must include in order to pass the Dynamics 365 Marketing error checker.

Which of these items are required and which are simply best practices? To answer, drag the appropriate answer source to the correct email element. Each answer may be used once, or more than once. You may need to drag the split bar between panes or scroll to view content. NOTE: Each correct selection is worth one point.