Fraudulent sending of emails appearing from legitimate sources.
Registrar-enforced DMARC breaks email delivery and exposes sensitive reporting data to third parties.
Downgrading DMARC from reject to none enables spoofing and increases phishing exposure.
Even minimal spoofing activity can enable targeted phishing and serious security incidents.
Using Google Groups for shared inboxes can expose teams to phishing and security risks.
Invalid DMARC RUA addresses harm reporting infrastructure and signal negligence toward email security standards.
Phishing attack on vertigo360.me highlights risks when SPF and DMARC policies are missing.
Always export your DNS zone to prevent service disruptions and protect email and domain security.