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Google Fixes Gmail Filter Glitch That Flooded Primary Inboxes

A post-incident report is planned once engineers complete their investigation into the early-Saturday misclassification with missing spam checks.

Overview

  • Google acknowledged a Gmail malfunction that routed Promotions and Updates emails into Primary inboxes starting Saturday at 05:02 US/Pacific.
  • Some affected messages displayed a banner stating that Gmail had not scanned them for spam, unverified senders, or harmful software.
  • The company advised users to be cautious with emails from unknown senders as engineers worked on a fix, according to the Workspace Status Dashboard.
  • Google marked the issue resolved at 09:55 US/Pacific the same day, a disruption of just under five hours, with normal filtering restored and some prior warning banners possibly persisting.
  • Initial reports came from Reddit and Google’s forums and were quickly corroborated by outlets including 9to5Google and The Verge, with TechRadar noting Google also logged some delivery delays.