My app sends invitation, password-reset and alert emails, and for a long time nothing seemed wrong with them. They were sent, they mostly arrived, and the DMARC record said p=none. That setting tells receivers to do nothing about mail that fails authentication, so a forged email claiming to come from my domain got delivered exactly as often as a... Weiterlesen: DMARC without breaking your own mail
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DMARC without breaking your own mail
My app sends invitation, password-reset and alert emails, and for a long time nothing seemed wrong with them. They were sent, they mostly arrived, and the…
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