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A comment on Outlook.com Is Quietly Rejecting Email from Domains Without DMARC. Parent comment

Re:Outlook.com Is Quietly Rejecting Email from Domains Witho... by pamcake on Sunday November 08, 2026 @04:36PM (#50417566)
"First time?"

It's not months it's years.

[ Parent | on HN ]
Re:Outlook.com Is Quietly Rejecting Email from Domains Witho... by daneel_w on Sunday November 08, 2026 @05:37PM (#50418194)
Anecdotal. I've self-hosted for many years but didn't run into these issues with O365 until this year. But not surprised to hear it.
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Re:Outlook.com Is Quietly Rejecting Email from Domains Witho... by cowlevel on Monday November 09, 2026 @12:56AM (#50421575)
They used to just drop all messages from domains not on their whitelist and to get whitelisted you needed to have a Microsoft account and open a support ticket.
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