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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 isodude on Monday November 09, 2026 @02:37AM (#50422317)
Is it SNDS (https://substrate.office.com/ip-domain-management-snds/snds) you refer to as their regular blocklist process?
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