• Wilmington, North America, 24th February 2026, CyberNewswire

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. • Sendmarchas 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. • DMARCwas 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 clarifications for changes aimed at improving long-term maintainability.

Article Summaries:

  • Sendmarc announced the launch of a DMARCbis Fireside Chat on 24 February 2026, featuring co‑editor Todd Herr. The event, released from Wilmington, North America, focuses on the upcoming DMARCbis standard-a proposed update to the existing DMARC framework aimed at improving email authentication and deliverability. The chat is intended to provide industry stakeholders with insights into the new specification, its implementation roadmap, and potential impact on email security practices. Sendmarc’s release underscores its role as a key contributor to the DMARCbis discussion and its commitment to advancing email authentication standards.
  • Sendmarc has released a new DMARCbis fireside chat featuring Todd Herr, Principal Solutions Architect at GreenArrow Email and co‑editor of the DMARCbis draft. The discussion, led by Sendmarc’s Dan Levinson, explains how the upcoming DMARCbis update is progressing through the IETF standards process and what security and email teams can expect as authentication requirements tighten in 2026. Herr highlights key changes such as record‑tag updates, clearer reporting expectations, and a standardized DNS tree‑walk for receiver‑side policy discovery. The chat notes that DMARCbis, if approved, would replace RFC 7489, and stresses that DMARC alone does not guarantee inbox placement but is essential for protecting email domains.

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