Your question is Explaining Email Authentication Clearly. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
Tell me about a time you had to explain a complex email security concept—such as how SPF, DKIM, and DMARC work together—to a non-expert stakeholder or cross-functional partner. How did you make it understandable, align people on the right action, and what was the outcome?