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Every HTML email you open is executing code in a browser you didn’t know you had. CSS attacks can exfiltrate your data, map your behavior, and impersonate trusted contacts. The only robust defense is to sandbox every message as an untrusted iframe—treating email as a hostile website, not a benign document.
We are trained to fear links and attachments in emails. But the real danger is invisible. CSS—the innocent styling code used to make emails look good—is being weaponized to exfiltrate your data and track your behavior without you ever clicking a thing. Your inbox is no longer a safe space.
DMARC doesn’t stop phishing. It verifies domain alignment, not sender identity. In a world where 70% of breaches exploit human error, relying on DMARC is like checking the license plate of a getaway car and ignoring the driver. The real vulnerability isn’t technical — it’s the false sense of safety we’ve built around a protocol that was never designed to protect us.
DMARC aggregate reports are free XML data from mailbox providers. Yet most dashboards charge per domain per month. This developer built a self-hosted alternative and exposes the rent-seeking behind DMARC-as-a-Service.
A South Carolina town lost $545,000 to an email scam that exploited a basic flaw: email protocols allow anyone to spoof a sender. Blaming the victim ignores the real culprit—a broken infrastructure that treats authentication as optional. It’s time to demand DMARC enforcement by default.