microsoft

Executive Summary: New email authentication rules from Microsoft will impact bulk senders starting May 2025. To protect users from spoofing and phishing, Microsoft will require SPF, DKIM, and DMARC authentication—bringing its policies in line with Google and Yahoo. Red Sift offers tools to help organizations comply and maintain deliverability. This article: Microsoft has officially announced…Continue Reading: Microsoft announces new email requirements for bulk senders

Microsoft has announced that from July 2023, it will honor DMARC policies in M365 and its consumer properties. By respecting a domain’s DMARC policy, Microsoft helps create a safe digital environment for its customers and consumers by ensuring that exact domain impersonation attacks are blocked…Continue Reading: Microsoft announces its new handling of DMARC policies

As of March 2023, Microsoft 365 has started sending aggregate DMARC reports to domains with a Microsoft MX record. This long-awaited release fixes a blindspot with inbound mail to an M365 tenant that existed; previously, where Microsoft didn’t report on DMARC results, you would miss crucial insight (and legitimate senders) that could then be blocked from sending emails once p=reject was enabled…Continue Reading: How Microsoft’s new aggregate DMARC reports enhance visibility of your sending sources

We explore how several email solutions today, including Microsoft O365, do not have the capability to send crucial DMARC reports to your reporting service…Continue Reading: An Office 365 reporting module for DMARC