💫 Hacker News Creator - Outlook.com is rejecting email from domains without DMARC
on November 9, 2026
Overview
Outlook.com has started to reject emails from domains that do not implement DMARC, a policy that helps combat email spoofing. This change is significant as it forces businesses to adopt better email practices for improved security.
Key Points:
- Importance of DMARC in email deliverability.
- Implications for businesses and domain owners.
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