Scheduled Service Change - Update DMARC Policy to p=reject

<div>On Wednesday, February 25, 2026, at the direction of IT leadership, Cornell will complete its accelerated enforcement of DMARC policies.&nbsp;<br><br></div><div>After the implementation, all email messages from “@cornell.edu” addresses that fail DMARC will be blocked worldwide, not just locally. This is intended to prevent email fraud from spoofing, phishing, and other forms of email-based crime.<br><br>For fuller detail about this project, visit https://it.cornell.edu/news/final-reminder-cornell-moves-forward-feb-25-...