MS Outlook Blocking Tutanota Emails As Spam - eviltoast
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Started in mid November and despite repeated requests from Tuta(nota) and reassurances from MS, it’s still happening and MS have gone silent on the subject.

    • 𝕸𝖔𝖘𝖘@infosec.pubEnglish
      5·
      11 months ago

      It’s not about us. It’s about the rest of the world, a large portion of whom uses M365. These blocks mean we can’t communicate with potential employers, family, government institutions, universities, etc.

      Here I am, maintaining several block lists (max of 500 entries per list) on our M365 tenant of spam and phishing domains and addresses, and not a one comes from Tuta, Proton, or any other privacy provider. Nearly all are gmail, outlook, and icloud, with a few customs sprinkled in. Their claim that it’s to fight spam is BS.