Deceptive emails impersonating trusted entities to steal credentials fraudulently.
Phishing attack on vertigo360.me highlights risks when SPF and DMARC policies are missing.
A client under spoofing attack refuses to enforce DMARC despite clear phishing evidence.
Strict DMARC policy prevented a spoofing attack, protecting domain despite spam filter bypass.
Top level domain choice significantly impacts email deliverability and spam filtering outcomes for marketing campaigns.
Even with p=reject, some email servers may still accept spoofed messages, creating residual risks.
Mailchimp’s auto-DKIM setup may replace strict DMARC, exposing domains to spoofing and phishing attacks.
Attackers exploited Google Calendar to send phishing emails, causing DMARC failures for Yahoo recipients.
