Email authentication protocol preventing domain spoofing and phishing attacks.
Outlook now bounces unauthenticated emails; ensure SPF, DKIM, and DMARC are correctly configured.
Unexpected SPF and CNAME modifications bypassed DMARC, raising concerns about domain security with GoDaddy.
Domain authentication alone doesn’t guarantee deliverability; security and compliance are critical for email success.
Google has ceased sending DMARC reports, creating blind spots for email security monitoring.
p=reject DMARC blocked Mailchimp emails due to DKIM failures, despite unchanged DNS and Cloudflare settings.
A typo-based SPF include exposed how look-alike domains can bypass security.
Spoofing targets depend on domain exposure, authentication gaps, and automation—not company size or staff count.
