Downrightnow
// Incident Post-MortemDRN-A424DB9C

ProtonMail outage on June 16, 2026

Minor severityResolved2h 58mEmail
Started · UTC
Jun 16, 12:38 PM
9d ago
Resolved · UTC
Jun 16, 03:36 PM
8d ago
Duration
2h 58m
End-to-end
Peak confidence
45.00
0 snapshots
// User impact

ProtonMail users likely saw failed connections, degraded availability, or session instability for this Email service. The incident reached Minor severity and lasted 2h 58m. The stored report window does not show a preserved user-report spike.

// What happened

Jun 16, 14:38 CEST Monitoring - A fix has been implemented and we are monitoring the results. Jun 16, 14:27 CEST Update - We are continuing to investigate this issue. Jun 16, 14:27 CEST Investigating - The team is currently investigating some intermittent connection issues reported by a few of our users for Proton Drive and Mail. We will share any updates here. We apologize for the inconvenience.

Deterministic readout · awaiting AI summary pass

// Timeline
  1. Incident detected

    Minor confidence crossed the incident threshold for ProtonMail: investigating sporadic connection reports from a small number of users.

  2. Marked resolved

    The incident was closed after 2h 58m of observed impact.

// Signals by source0 sources

No per-source signal payloads were preserved in this incident's snapshot window.

// Aggregate evidence

Confidence scoring

45.00

The incident reached 45.00 peak confidence across available stored status snapshots.

User reports

0 / 15m

No elevated user-report volume was preserved in the incident window snapshots.

Status samples

0 affected

The incident row exists, but the bounded snapshot window does not include affected status samples.

Recovery signal

Resolved

Recovery was recorded at Tue, Jun 16, 2026, 03:36 PM UTC.