CVE-2026-62911 and 22,000 Unpatched Exchange Servers
CVE-2026-62911 and 22,000 Unpatched Exchange Servers Internet-facing mail servers are a durable target because they must accept connections from any…
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From p=none to Enforcement: A Working Sequence for DMARC Rollout
From p=none to Enforcement: A Working Sequence for DMARC Rollout DMARC adoption is easy to start and hard to finish. Publishing a policy record take…
SPF, DKIM, and DMARC in Phishing Detection: Useful Signals, Not Magic Answers
Email authentication is valuable evidence, but it is not a verdict. SPF, DKIM, and DMARC can help a receiving system decide whether a message came t…
Who Is Email Security Actually Built For?
Email has one of the most mature security stacks in tech: SPF, DKIM, DMARC, BIMI , advanced spam filtering, and decades of infrastructure. Yet when…