Besides adhering to the new authentication mandates, Microsoft suggests that senders implement several best practices for email hygiene to maintain quality and trust. While the initial enforcement targets large senders, all senders are encouraged to adopt these best practices to protect their reputation and enhance email security. Microsoft Outlook will enforce stricter authentication requirements for high-volume senders, impacting domains that send over 5,000 emails daily. Outlook’s updated policy will mandate compliance with SPF (Sender Policy Framework), DKIM (DomainKeys Identified Mail), and DMARC (Domain-based Message Authentication, Reporting and Conformance). Microsoft is encouraging senders to update their SPF, DKIM, and DMARC records to align with the new requirements. Senders who comply with SPF, DKIM, and DMARC often experience improved deliverability, fewer bounce-backs, and more substantial brand credibility. By focusing on senders of over 5,000 messages per day, Outlook aims to significantly reduce the potential for spam and spoofing campaigns to reach its users. Cyber Security News is a Dedicated News Platform For Cyber News, Cyber Attack News, Hacking News & Vulnerability Analysis. A sophisticated new cyberattack chain dubbed "KongTuke" has been uncovered by cybersecurity researchers, targeting unsuspecting internet users through compromised legitimate websites. Gurubaran is a co-founder of Cyber Security News and GBHackers On Security. These changes are specifically targeted at high-volume senders because they substantially impact inbox safety. These changes, which will take effect on May 5, 2025, aim to enhance inbox protection and maintain trust in digital communication. He has 10+ years of experience as a Security Consultant, Editor, and Analyst in cybersecurity, technology, and communications.
This Cyber News was published on cybersecuritynews.com. Publication date: Sun, 06 Apr 2025 05:35:28 +0000