Create DMARC policies to protect your domain from email spoofing and phishing.
DMARC (Domain-based Message Authentication, Reporting & Conformance) works with SPF and DKIM to prevent email spoofing.
Start with "none" to monitor, then move to "quarantine" or "reject"
Percentage of emails to apply policy to (1-100)
Email address to receive aggregate DMARC reports
Email address to receive forensic/failure reports