Tessian incident

Inbound Email Check Delays

Ongoing since 04:57 PM UTC, affecting Protection (Core Email Protection API) and Respond (Reported Emails) and 1 more.

investigating Nov 12, 2026, 04:57 PM UTC

Proofpoint is actively investigating delays on inbound checks on our US server. Start time: November 12th 2026 ~15:42 UTC Impact: Inbound message processing is delayed by ~20 minutes. This effectively translates to a delay in detection and remediation for triggered messages. Our Engineering teams are actively engaged to identify the cause and remediation. Next update by: November 12th 2026 18:00 UTC

Started
Nov 12, 2026, 04:57 PM UTC
Resolved
Ongoing
Duration
● 57m
Detected by Pingoru
Nov 12, 2026, 04:57 PM UTC

Affected components

Protection (Core Email Protection API)Respond (Reported Emails)Respond (Investigate and Respond - Email Search)

Update timeline

  1. investigating Nov 12, 2026, 04:57 PM UTC

    Proofpoint is actively investigating delays on inbound checks on our US server. Start time: November 12th 2026 ~15:42 UTC Impact: Inbound message processing is delayed by ~20 minutes. This effectively translates to a delay in detection and remediation for triggered messages. Our Engineering teams are actively engaged to identify the cause and remediation. Next update by: November 12th 2026 18:00 UTC

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