November 18, 2025—Cloud Email Gateway
Protection now supports more flexible and robust DMARC authentication for inbound messages.
Administrators can now configure separate actions for domains with well-defined DMARC
policies and those with misconfigured or missing records, supporting more accurate
enforcement across diverse sender domains.
Additionally, as DMARC adoption grows and more organizations configure their policies
correctly, and as major email providers enforce stricter DMARC standards, DMARC authentication
behavior in Cloud Email Gateway
Protection has been strengthened to align with RFC standards, improving spoofing protection
and helping customers align with evolving industry practices.