Inbox-Placement | Daily DMARC News

June 21, 2026
All Three Inbox Giants Now Enforce One-Click Unsubscribe -- and the Deliverability Penalty for Getting It Wrong Is a 3x to 7x Inbox Hit
In February 2024, Google and Yahoo told bulk senders that one-click unsubscribe was no longer optional. Most senders treated it as a Google-and-Yahoo problem and updated their templates accordingly – or believed …
June 6, 2026
Authenticated and Still Filtered: Why 1 in 4 Emails Never Reaches the Microsoft Outlook Inbox
The enforcement wave worked – partially. When Google, Yahoo, and Microsoft rolled out hard authentication requirements between 2024 and 2025, the goal was to flush unauthenticated bulk mail from the ecosystem. That …
May 26, 2026
The 45-Point Inbox Gap: Why DMARC Is Now the Most Important Lever in Email Marketing
Email marketing returns between $36 and $42 for every dollar spent in 2026. No other marketing channel comes close: paid search returns roughly $2, social advertising $2.80, display ads $1.35. The gap is so large that it …

All Three Inbox Giants Now Enforce One-Click Unsubscribe -- and the Deliverability Penalty for Getting It Wrong Is a 3x to 7x Inbox Hit