Outlook.com Is Quietly Rejecting Email from Domains Without DMARC

Re:Outlook.com Is Quietly Rejecting Email from Domains Witho... by green-salt on Sunday November 08, 2026 @02:56PM (#50416534)

I thought they've been doing this for years, along with gmail/etc. I basically just added setting up the correct DNS records as part of business when sending emails externally.

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Re:Outlook.com Is Quietly Rejecting Email from Domains Witho... by jmathai on Sunday November 08, 2026 @03:38PM (#50416933)

You can send an email through mail-tester to see what you might be missing. https://mail-tester.com/

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Re:Outlook.com Is Quietly Rejecting Email from Domains Witho... by green-salt on Monday November 09, 2026 @11:42AM (#50428014)

Exactly! Was pretty sure these existed, makes that part of email hosting setup easier.

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