alt Hacker NewsGoogle is at least less arbitrary than Microsoft. Microsoft will decide an email is spam today, and tomorrow the exact same email is perfectly fine. I think Google relies more and more on sending IP and domain reputation rather than content.
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oasisbob • yesterday at 3:48 PM
Deliverability to Microsoft famously took a dive a bit over a year ago due to random arbitrary failures within their infrastructure causing DMARC/DKIM problems which they clearly were having problems diagnosing.
Even with a six-figure email spend and weeks of troubleshooting the best response we could get from our mail provider was that they were having problems getting traction with Microsoft on the issue.
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Google regularly sends legitimate email to my spam folder.
Microsoft regularly sends legitimate emails from Microsoft to my spam folder.