IETF incident

SMTP outage

Major Resolved

IETF experienced a major incident on May 28, 2026 affecting Mail Services (SMTP), lasting 9m. The incident has been resolved; the full update timeline is below.

Started
May 28, 2026, 05:11 PM UTC
Resolved
May 28, 2026, 05:21 PM UTC
Duration
9m
Detected by Pingoru
May 28, 2026, 05:11 PM UTC

Affected components

Mail Services (SMTP)

Update timeline

  1. investigating May 28, 2026, 05:11 PM UTC

    SMTP cannot be accessed at the moment. This incident was created by an automated monitoring service.

  2. resolved May 28, 2026, 05:21 PM UTC

    SMTP is now operational! This update was created by an automated monitoring service.