Emails To Outlook.com Rejected By Faulty Or Overzealous Blocking Rules

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By BeauHDMar 4, 2026, 2:00 pm84 ptsTrending
Microsoft spent much of the past week rejecting legitimate emails sent to Outlook.com, Live, and Hotmail accounts due to what appears to be overly aggressive IP reputation filtering or faulty blocklist rules. According to The Register, many senders received 550 errors claiming their networks were blocked,…

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