Email

Email systems, authentication, and deliverability

2 notes

Microsoft Left the Side Door Open

If phishing and scam email seems to be slipping through in Microsoft 365, the problem may not just be user behavior. For years, Direct Send left a path where failed email authentication did not reliably turn into rejection or quarantine.

April 21, 2026 • by Ed Brownlee

Why Email Classification Matters More Than You Think

Most organizations don't realize they have a classification problem until an audit or legal request surfaces it. Here's what we've learned from helping teams get their email house in order.

February 20, 2026 • by Chris Sewell

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