In a notable development that will affect numerous businesses globally, Microsoft has announced that it will commence the rejection of emails that do not adhere to strict authentication standards, resulting in the error code "550 5.7.15 Access denied."
  • Onno (VK6FLAB)@lemmy.radioEnglish
    91·
    7 hours ago

    So … this article published today, 5 May 2025, says that the Microsoft policy will start on 5 May 2025.

    Some questions:

    1. When did Microsoft announce this and where?
    2. Is this a reasonable rollout timeline that affects pretty much anyone on the planet who does email?
    3. As a society we run most of our activities through Google and Microsoft. At what point does this get classified as a utility and get regulated.
    • IHawkMike@lemmy.worldEnglish
      6·
      6 hours ago

      This isn’t Microsoft’s announcement. They announced over a month ago. This also only affects bulk senders sending over 5,000 emails a day inbound to their Hotmail/Outlook.com service.

      And if you can’t send DMARC-compliant emails in 2025, frankly you deserve to be blocked.