There were 8 SMTP2GO outages since February 8, 2026 totaling 63h 17m of downtime. Each is summarised below — incident details, duration, and resolution information.
Some users may experience delays and see "Processed" emails on their Activity feed. Our developers have identified the issue and are implementing a fix.
This incident has now been resolved. New emails should flow as normal. Previously processed emails may take a little longer to update.
We are aware of an issue where some emails are currently stuck in the "Processed" status. Our team is actively taking steps to resolve the issue as quickly as possible.
A fix has been deployed and we're continuing to monitor the situation. We are seeing email queues begin to clear and expect all delayed messages to be delivered shortly. Thank you for your patience, and we apologise for the inconvenience.
This incident has been resolved.
Our development team is currently investigating the inbound mail servers, which are experiencing an unusually high volume of traffic. Users may encounter delays in message delivery while we work to identify the root cause and restore normal performance.
Our development team has resolved the incident. Please allow some time for the backlog to clear.
We are investigating an issue causing delays in email delivery in the AU region. These emails will appear as "Processed" on the "Reports > Activity" page. Our engineering team is currently working to identify the root cause and restore normal processing speeds as quickly as possible.
The issue has been identified, and a fix is being implemented.
A preliminary fix is being implemented and the backlog of processed email is being worked through.
A resolution has been implemented and we're continuing to monitor. While the backlog of "Processed" emails is clearing, clients may notice a temporary delay in event updates (such as the "Delivered" status) appearing in the Activity page reporting. These records are being processed and will be fully updated shortly.
This incident has been resolved.
We are investigating a system-wide outage. Users may experience connectivity issues. Please try connecting to mail-us.smtp2go.com or mail-eu.smtp2go.com in the meantime.
A fix has been implemented, and we are continuing to monitor.
This incident is now resolved. We apologize for any inconvenience encountered. If you experience issues connecting to our servers, please reach out to our support team for further assistance.
We are currently aware of a global issue affecting emails sent to Microsoft-hosted domains (such as hotmail.com, outlook.com, live.com, etc.). Emails affected will show as "Processed" on the "Reports > Activity" page, and delivery attempts encounter "451 4.7.650……….." responses. This is a Microsoft-wide issue affecting multiple SMTP providers/ESPs, and we are monitoring it closely as they actively work on a fix. Thanks for your patience.
This incident has been resolved.
We have identified an issue with headers for sent messages not displaying in the Activity page. We are investigating and will update.
This incident has been resolved.
Some customers may experience intermittent connection failures when connecting to "mail-au.smtp2go.com". Our development team has identified the issue and is taking corrective action to restore full stability as quickly as possible. Recommended Action: While we resolve this, you can maintain a stable connection by switching your SMTP server address to "mail.smtp2go.com".
This issue has now been resolved, and services are operating normally. We apologise for any inconvenience this may have caused. If you continue to experience any connection failures when connecting to "mail-au.smtp2go.com", please reach out to our support team for assistance.
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