Outage in Mailosaur
Investigating issues with authentication and API services
Resolved Major
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Outage Details
We are experiencing issues with authentication and core services related to an upstream issue with Google Cloud services (https://status.cloud.google.com/)
We will provide updates as soon as we have them, but hope to have normal service resumed shortly.
Components affected
Mailosaur POP3 (995) Mailosaur SMTP (2525) Mailosaur SMTP (587) Mailosaur SMTP (25) with STARTTLS Mailosaur SMTP (2525) with STARTTLS Mailosaur SMTP (587) with STARTTLS Mailosaur POP3 (110) Mailosaur SMTP (25) Mailosaur API Mailosaur AppLatest Updates ( sorted recent to last )
RESOLVED
22 days ago - at 06/12/2025 08:20PM
This incident has now been resolved.
MONITORING
22 days ago - at 06/12/2025 07:33PM
Google have now resolved the issue affecting our services - we are continue to monitor the situation.
IDENTIFIED
22 days ago - at 06/12/2025 07:14PM
A further update has been provided by Google - "Our engineers are continuing to mitigate the issue and we have confirmation that the issue is recovered in some locations. We do not have an ETA on full mitigation at this point."
Incident page: https://status.cloud.google.com/incidents/ow5i3PPK96RduMcb1SsW
IDENTIFIED
22 days ago - at 06/12/2025 07:05PM
The following update has been provided by Google - "Our engineering team continues to investigate the issue. We will provide an update by Thursday, 2025-06-12 12:15 PDT with current details."
Incident page: https://status.cloud.google.com/incidents/ow5i3PPK96RduMcb1SsW
IDENTIFIED
22 days ago - at 06/12/2025 06:55PM
We are experiencing issues with authentication and core services related to an upstream issue with Google Cloud services (https://status.cloud.google.com/)
We will provide updates as soon as we have them, but hope to have normal service resumed shortly.
Latest Mailosaur outages
Mailosaur UI is experiencing degraded performance - over 1 year ago
Intermittent connectivity issues for SMTP and POP3 - over 1 year ago
SMS messages not being delivered to some numbers - over 1 year ago
Degraded performance on US phone numbers - about 2 years ago
Issue with anti-virus scanning of attachments - about 2 years ago
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