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Email — Archive · Vol 326 Issue 2

2 articles that week

Security Boulevard, Wednesday, May 14th, 2025

DMARC's Future: Ignoring Email Authentication is No Longer an Option

Vol 326 · Issue 2 · 2025-05-14

If you caught our recent post, What Microsoft's New DMARC Policy Means for High-Volume Senders, you're already familiar with the major changes Microsoft has made to tighten DMARC enforcement as of May 5, 2025. As a reminder, any mass sender (sending over 5,000 emails per day) without proper DMARC alignment will be outright rejected by outlook from now on.

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DMARC's Future: Ignoring Email Authentication is No Longer an Option