Fastmail Outage History

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Fastmail had 20 outages in the last 2 years — averaging 0.8 incidents per month.

There were 20 Fastmail outages since July 31, 2024. Each is summarised below — incident details, duration, and resolution information.

Source: https://www.fastmailstatus.com

Minor March 26, 2026

Interrupted access to Fastmail web and app services

Detected by Pingoru
Mar 26, 2026, 04:45 PM UTC
Resolved
Mar 26, 2026, 04:45 PM UTC
Duration
Timeline · 1 update
  1. resolved Mar 26, 2026, 04:45 PM UTC

    Type: Incident Duration: 2 hours and 19 minutes Affected Components: Web client and mobile app Mar 26, 16:45:00 GMT+0 - Investigating - Some customers are experiencing interrupted access to Fastmail services. We're looking into it. Mar 26, 18:13:00 GMT+0 - Monitoring - We have implemented a fix for the issue and are currently monitoring the result. No mail has been lost. Mar 26, 19:04:28 GMT+0 - Resolved - This incident has been resolved, and we do not anticipate any further issues. No mail has been lost.

Read the full incident report →

Minor February 23, 2026

Interrupted access to Fastmail services

Detected by Pingoru
Feb 23, 2026, 07:22 PM UTC
Resolved
Feb 23, 2026, 07:22 PM UTC
Duration
Timeline · 1 update
  1. resolved Feb 23, 2026, 07:22 PM UTC

    Type: Incident Affected Components: General Availability, Login & sessions, Web client and mobile app, www.fastmail.com Feb 23, 19:22:00 GMT+0 - Monitoring - Some customers may have experienced a short interruption of access to Fastmail services. This is resolved for all users and no data was lost. Feb 23, 19:24:01 GMT+0 - Resolved - Some customers may have experienced a short interruption of access to Fastmail services. This is resolved for all users and no data was lost.

Read the full incident report →

Minor January 16, 2026

Access to Fastmail services impacted

Detected by Pingoru
Jan 16, 2026, 09:30 PM UTC
Resolved
Jan 16, 2026, 09:30 PM UTC
Duration
Timeline · 1 update
  1. resolved Jan 16, 2026, 09:30 PM UTC

    Type: Incident Duration: 53 minutes Jan 16, 22:22:44 GMT+0 - Resolved - This incident has been resolved. Jan 16, 21:30:00 GMT+0 - Investigating - Access to Fastmail services has impacted all customers. We're looking into it. Jan 16, 21:45:00 GMT+0 - Monitoring - Access to our services is no longer impacted. We are continuing to monitor.

Read the full incident report →

Minor January 9, 2026

Interrupted access to Fastmail Services

Detected by Pingoru
Jan 09, 2026, 09:41 PM UTC
Resolved
Jan 09, 2026, 09:41 PM UTC
Duration
Timeline · 1 update
  1. resolved Jan 09, 2026, 09:41 PM UTC

    Type: Incident Duration: 6 minutes Affected Components: Mail access (IMAP/POP), Web client and mobile app Jan 9, 21:41:15 GMT+0 - Investigating - Some customers are experiencing interrupted access to Fastmail services. We're looking into it. Jan 9, 21:47:00 GMT+0 - Resolved - This incident has been resolved. No mail has been lost as a result of this incident, although delivery of some mail was delayed.

Read the full incident report →

Minor December 3, 2025

Some customers are unable to send messages

Detected by Pingoru
Dec 03, 2025, 02:59 AM UTC
Resolved
Dec 03, 2025, 02:59 AM UTC
Duration
Timeline · 1 update
  1. resolved Dec 03, 2025, 02:59 AM UTC

    Type: Incident Duration: 1 hour and 16 minutes Affected Components: Mail delivery Dec 3, 02:59:00 GMT+0 - Investigating - There is an internal forwarding issue affecting email sending. We are currently investigating. Dec 3, 03:49:30 GMT+0 - Monitoring - Email sending has resumed for affected users. We are actively monitoring this service for any further issues. Dec 3, 04:14:35 GMT+0 - Resolved - This incident has been resolved. No mail has been lost, and we don't anticipate further issues.

Read the full incident report →

Major November 18, 2025

Interrupted access to Fastmail services due to Cloudflare outage

Detected by Pingoru
Nov 18, 2025, 12:30 PM UTC
Resolved
Nov 18, 2025, 12:30 PM UTC
Duration
Timeline · 1 update
  1. resolved Nov 18, 2025, 12:30 PM UTC

    Type: Incident Duration: 3 hours and 23 minutes Affected Components: www.fastmail.com Nov 18, 12:30:00 GMT+0 - Identified - An outage at Cloudflare, our external web hosting provider, is preventing some users from accessing www.fastmail.com. Users should still be able to access webmail by going to [app.fastmail.com](http://app.fastmail.com) directly. Cloudflare hosts a large fraction of web content, so users may also see images or external links failing to load in emails. Nov 18, 15:53:08 GMT+0 - Resolved - Cloudflare has reported that this incident has been resolved.

Read the full incident report →

Minor October 28, 2025

Some users are experiencing delayed mail delivery.

Detected by Pingoru
Oct 28, 2025, 01:03 PM UTC
Resolved
Oct 28, 2025, 01:03 PM UTC
Duration
Timeline · 1 update
  1. resolved Oct 28, 2025, 01:03 PM UTC

    Type: Incident Duration: 1 day and 16 hours Affected Components: Mail delivery Oct 28, 13:03:00 GMT+0 - Investigating - Some users are experiencing delayed mail delivery. We’re looking into the issue. Oct 28, 13:43:00 GMT+0 - Resolved - This incident has been resolved. No mail has been lost as a result of this incident, although delivery of some mail was delayed.

Read the full incident report →

Minor September 17, 2025

Some users are experiencing delayed mail delivery

Detected by Pingoru
Sep 17, 2025, 01:47 PM UTC
Resolved
Sep 17, 2025, 01:47 PM UTC
Duration
Timeline · 1 update
  1. resolved Sep 17, 2025, 01:47 PM UTC

    Type: Incident Duration: 2 hours and 33 minutes Affected Components: Mail delivery Sep 17, 13:47:00 GMT+0 - Investigating - Some users are experiencing delayed mail delivery. We're looking into it. Sep 17, 14:50:48 GMT+0 - Investigating - Some users are still experiencing issues with delayed mail. We're continuing to look into this. Sep 17, 15:41:55 GMT+0 - Monitoring - We have resolved the issue that was causing delayed mail delivery. No mail has been lost. We're continuing to monitor. Sep 17, 16:19:49 GMT+0 - Resolved - The issue that was causing mail to be delayed has been resolved. No mail has been lost.

Read the full incident report →

Minor August 25, 2025

Issues with mail access

Detected by Pingoru
Aug 25, 2025, 05:45 PM UTC
Resolved
Aug 25, 2025, 05:45 PM UTC
Duration
Timeline · 1 update
  1. resolved Aug 25, 2025, 05:45 PM UTC

    Type: Incident Duration: 1 hour and 16 minutes Affected Components: Mail access (IMAP/POP), Web client and mobile app Aug 25, 17:45:00 GMT+0 - Monitoring - We experienced a brief issue that affected access and users may have experienced slowness in loading the web interface. Access to most services remained unaffected, and no email was lost. The issue was quickly identified and we are continuing to monitor. Aug 25, 19:00:38 GMT+0 - Resolved - This incident has been resolved.

Read the full incident report →

Minor August 20, 2025

Third-party DNS service provider reported issues, Fastmail not impacted

Detected by Pingoru
Aug 20, 2025, 11:25 AM UTC
Resolved
Aug 20, 2025, 11:25 AM UTC
Duration
Timeline · 1 update
  1. resolved Aug 20, 2025, 11:25 AM UTC

    Type: Incident Duration: 1 hour and 54 minutes Affected Components: General Availability Aug 20, 11:25:00 GMT+0 - Monitoring - Cloudflare, our third-party DNS service provider, is currently having widespread issues. We are not aware of Fastmail customers being impacted, but we'll continue to monitor Aug 20, 13:13:06 GMT+0 - Monitoring - The Cloudflare issue is ongoing however we have not had any reports of impact to Fastmail customers. We are continuing to monitor. Aug 20, 13:18:48 GMT+0 - Resolved - Cloudflare is operative and did not experience any issue, the notification was sent in error during a dry run of their systems. Fastmail customers experienced no impact and we were fully operational.

Read the full incident report →

Minor August 13, 2025

Paddle Payment Processing Issues

Detected by Pingoru
Aug 13, 2025, 02:56 AM UTC
Resolved
Aug 13, 2025, 02:56 AM UTC
Duration
Timeline · 1 update
  1. resolved Aug 13, 2025, 02:56 AM UTC

    Type: Incident Duration: 3 hours and 13 minutes Affected Components: General Availability Aug 13, 02:56:00 GMT+0 - Investigating - Our payment provider, Paddle, is currently experiencing issues which may cause errors or delays during checkout. Paddle’s team is working to resolve the problem. We'll provide an update here when we have more to share. For updates directly from Paddle, see . Aug 13, 05:36:00 GMT+0 - Monitoring - Paddle engineers have identified the cause of the incident and have taken steps to resolve the issue. Aug 13, 06:09:04 GMT+0 - Resolved - This incident has been resolved.

Read the full incident report →

Minor August 7, 2025

Web UI access is limited

Detected by Pingoru
Aug 07, 2025, 01:00 PM UTC
Resolved
Aug 07, 2025, 01:00 PM UTC
Duration
Timeline · 1 update
  1. resolved Aug 07, 2025, 01:00 PM UTC

    Type: Incident Duration: 1 hour and 4 minutes Affected Components: Web client and mobile app Aug 7, 14:35:09 GMT+0 - Resolved - Some customers were unable to access messages in the web UI and/or mobile app for approximately 90 minutes due to database issues. We have resolved the issue and do not expect any further interruptions. No mail has been lost. Aug 7, 13:00:00 GMT+0 - Investigating - Some customers are experiencing interrupted access to Fastmail services. We're looking into it.

Read the full incident report →

Minor July 4, 2025

Interruputed access to fastmail services

Detected by Pingoru
Jul 04, 2025, 03:45 AM UTC
Resolved
Jul 04, 2025, 03:45 AM UTC
Duration
Timeline · 1 update
  1. resolved Jul 04, 2025, 03:45 AM UTC

    Type: Incident Duration: 1 hour Affected Components: Contacts (CardDAV), Web client and mobile app, Calendar (CalDAV) Jul 4, 03:45:00 GMT+0 - Identified - A small number of users were unable to access their email for a short time due to a server issue. All Fastmail systems (mail, calendars, contacts, etc.) are still up and running. No data was lost. Jul 4, 04:45:00 GMT+0 - Resolved - This incident has been resolved.

Read the full incident report →

Minor June 24, 2025

Problems with sending messages

Detected by Pingoru
Jun 24, 2025, 03:50 AM UTC
Resolved
Jun 24, 2025, 03:50 AM UTC
Duration
Timeline · 1 update
  1. resolved Jun 24, 2025, 03:50 AM UTC

    Type: Incident Duration: 9 minutes Jun 24, 03:50:00 GMT+0 - Identified - Outgoing mail is temporarily delayed due to network connectivity issues. Jun 24, 03:59:02 GMT+0 - Resolved - Outgoing mail was delayed temporarily due to network connectivity issues. This incident has been resolved and no mail has been lost.

Read the full incident report →

Minor May 14, 2025

Interrupted access to web-UI

Detected by Pingoru
May 14, 2025, 02:51 AM UTC
Resolved
May 14, 2025, 02:51 AM UTC
Duration
Timeline · 1 update
  1. resolved May 14, 2025, 02:51 AM UTC

    Type: Incident Duration: 34 minutes Affected Components: General Availability, Web client and mobile app May 14, 02:51:00 GMT+0 - Investigating - May 14, 02:58:00 GMT+0 - Monitoring - The issue has been resolved, and we're actively monitoring the situation. May 14, 03:25:02 GMT+0 - Resolved - We experienced a brief issue that affected access to the web UI for a small number of users. Access to most services remained unaffected, and no email was lost. The issue was quickly identified and resolved within minutes.

Read the full incident report →

Minor May 12, 2025

Current session issues

Detected by Pingoru
May 12, 2025, 10:33 PM UTC
Resolved
May 12, 2025, 10:33 PM UTC
Duration
Timeline · 1 update
  1. resolved May 12, 2025, 10:33 PM UTC

    Type: Incident Affected Components: Login & sessions May 12, 22:40:49 GMT+0 - Resolved - This incident has been resolved. May 12, 22:33:11 GMT+0 - Resolved - Some customers may have been logged out of their Fastmail account. This has now been resolved. No mail was lost. We're sorry for the inconvenience.

Read the full incident report →

Minor April 5, 2025

Some users experienced interrupted access to Fastmail services.

Detected by Pingoru
Apr 05, 2025, 03:00 AM UTC
Resolved
Apr 05, 2025, 03:00 AM UTC
Duration
Timeline · 1 update
  1. resolved Apr 05, 2025, 03:00 AM UTC

    Type: Incident Duration: 3 hours and 24 minutes Affected Components: Web client and mobile app Apr 5, 03:00:00 GMT+0 - Identified - We have identified a server outage that has caused interrupted access to Fastmail services. We have mitigated this and the issue should be resolved for users at this time. We are continuing to investigate and no mail has been lost during this time. Apr 5, 05:37:40 GMT+0 - Monitoring - The issue has been resolved, and Fastmail access has been restored for all users. We are continuing to monitor. Apr 5, 06:24:26 GMT+0 - Resolved - We’ve corrected the issue, and Fastmail access has been restored for all users. No mail has been lost, and we don’t anticipate further issues.

Read the full incident report →