TechLobstersabout 1 hour ago
Microsoft Rejects Mail Lacking DMARC Records
2 min read
Microsoft began rejecting emails on Friday that lack DMARC records, affecting hotmail.com and outlook.com. The system previously required DMARC only for domains sending over 5,000 messages daily. This unannounced change caused over 500 rejections in a single day for some users. Microsoft later admitted the shift was unintentional but has not yet rolled back the policy.
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