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Microsoft Defender for Office 365 Blog
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Strengthening Email Ecosystem: Outlook’s New Requirements for High‐Volume Senders

Puneeth's avatar
Puneeth
Icon for Microsoft rankMicrosoft
Apr 02, 2025

This applies to Outlook.com - our consumer service, which is supporting hotmail.com live.com and outlook.com consumer domain addresses.

April 29th Update - Changes have been made to the action take on messages that do not meet requirements, please see details below. Introduction In an era where email remains one of the most widel...
Updated Apr 30, 2025
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awareness & training
email protection basics
Selimİlisulu's avatar
Selimİlisulu
Copper Contributor
Sep 17, 2025

Hello,
I purchased Google Workspace email and a domain name for our company. It's been a week now and my emails are constantly going to spam in Outlook and Hotmail. My spf dkim and dmarc settings are correct, and there's no problem. I'm still having spam issues even though I have spf dkim and dmarc pass in the email header. What should i am ?