Fastmail incident

Interrupted access to Fastmail services

Minor Resolved

Fastmail experienced a minor incident on September 4, 2026 affecting Web client and mobile app and Mail access (IMAP/POP) and 1 more component, lasting 1h 8m. The incident has been resolved; the full update timeline is below.

Started
Sep 04, 2026, 04:41 PM UTC
Resolved
Sep 04, 2026, 05:49 PM UTC
Duration
1h 8m
Detected by Pingoru
Sep 04, 2026, 04:41 PM UTC

Affected components

Web client and mobile appMail access (IMAP/POP)Calendar (CalDAV)File storage (WebDAV)Contacts (CardDAV)

Update timeline

  1. investigating Sep 04, 2026, 04:41 PM UTC

    Some users are experiencing interrupted access to Fastmail services. We're looking into this.

  2. monitoring Sep 04, 2026, 05:16 PM UTC

    We believe that we have resolved the issue that was preventing some users from accessing Fastmail services. We are continuing to monitor. No mail has been lost.

  3. resolved Sep 04, 2026, 05:49 PM UTC

    A server error occurred that temporarily prevented some users from accessing Fastmail services. We have resolved the issue. No mail has been lost.