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.

The post DMARC’s Future: Ignoring Email Authentication is No Longer an Option appeared first on Security Boulevard.

James Savard

Source: Security Boulevard
Source Link: https://securityboulevard.com/2025/05/dmarcs-future-ignoring-email-authentication-is-no-longer-an-option/?utm_source=rss&utm_medium=rss&utm_campaign=dmarcs-future-ignoring-email-authentication-is-no-longer-an-option