Sendmarc Releases DMARCbis Fireside Chat Featuring Co-Editor Todd Herr

In a recent DMARCbis fireside chat, email authentication leaders discussed upcoming DMARC changes and how teams can plan for 2026. 

Sendmarc has released a new fireside chat featuring Todd Herr, Principal Solutions Architect at GreenArrow Email and co-editor of DMARCbis, on the upcoming update to DMARC (Domain-based Message Authentication, Reporting, and Conformance). 

Led by Dan Levinson of Sendmarc, the fireside chat explains how the protocol is progressing through the IETF (Internet Engineering Task Force) standards process and what security and email teams can expect as authentication requirements continue to tighten across the ecosystem. 

Users can watch the full discussion on upcoming DMARC changes here.

DMARC was originally published in 2015 and has since become a widely adopted control for reducing direct-domain spoofing and improving visibility into legitimate and illegitimate use of an email domain. 

In the discussion, Herr outlines how DMARCbis reflects lessons learned across years of real-world deployment, including ...