✳ Learning path / 1 lesson
What the mailbox proves
One lesson on what SPF, DKIM, and DMARC each check, which phishing still gets through, and how a synthetic domain moves from monitoring (p=none) to enforcement without treating a pass as safe mail.
Work through the lessons in sequence, or choose the question you want to answer today.
01What the mailbox proves (and what it doesn’t): SPF, DKIM, and DMARC
Name what SPF, DKIM, and DMARC each check, which phishing still gets through, and how a synthetic domain moves from monitoring to enforcement without treating a pass as safe mail.
Turn knowledge into a decision.
Once you have the ideas, try a short scenario. You’ll see why the tempting answer isn’t always the most useful one.
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