Microsoft Outlook will implement stricter authentication for domains sending over 5,000 emails daily starting May 5, 2025. Compliance with SPF, DKIM, and DMARC protocols is required to enhance email safety and prevent spoofing. Additional practices like functional unsubscribe links and list hygiene are recommended. The changes aim to foster a secure email environment by targeting high-volume senders.
How to Prevent and Protect Against Ransomware
The ransomware threat is on the rise, with a 73% increase in activity between 2022 and 2023, and 55 new ransomware groups identified in 2024.
