21,228 outages in February - Here are the biggest:
There were 35 Proofpoint outages since June 2025 which are summarized below, including incident details, duration, and resolution information.
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Proofpoint experienced a brief degraded performance starting at , listed on the status page as a degraded service. The issue lasted about 5 minutes and was resolved by . The provider issued two status updates during the incident, after which service returned to normal.
Proofpoint briefly experienced a service degradation, with the status page moving from up to warn at and returning to up at . The incident lasted about 4 minutes and did not generate user-reported issues. The status page noted Current Incidents, providing minimal details beyond the brief degradation before service was restored.
Proofpoint reported a brief issue in its EU data center affecting SEARCH and ARCHIVING functionality. The outage began at and was resolved by , lasting about 15 minutes. The provider issued two status updates during the incident, acknowledging a critical issue in the EU data center and confirming restoration to normal operation shortly after. The impact was localized to the EU data center with no broader regional impact reported.
Proofpoint experienced a brief outage affecting the Search and Archiving components. The outage began on and was resolved by , lasting about 5 minutes. Users likely encountered issues with search results and archiving during the window.
Proofpoint issued two status updates during the incident, noting an open incident affecting the affected components and later confirming recovery.
Proofpoint experienced a production service interruption starting that affected outbound email delivery to Microsoft 365 tenants. Users sending mail to Microsoft 365 recipients could see delays or deferrals (DSN 4), and some messages were rejected with DSN 5.1.2 (host not found). Non-delivery reports were returned to the original senders who would need to resend. No emails were reported lost, but delivery was degraded and recipients may have experienced longer wait times. The incident impacted organizations relying on Proofpoint to route outbound mail to Microsoft 365.
Proofpoint experienced a production service interruption affecting sending emails to Microsoft 365 tenants. Users may have observed delayed deliveries and occasional rejections, with DSN 4 deferrals and DSN 5.1.2 (host not found) errors. Non-Delivery Reports were sent to the original sender to retry. No email messages were lost.
The incident began at and was resolved by , lasting approximately 14 hours and 26 minutes. The provider issued two official status updates during the incident to communicate the impact and resolution.
Proofpoint experienced a production service interruption starting on that degraded outbound email delivery to Microsoft 365 tenants. Users may have faced DSN 4 deferrals and email delays, with some messages rejected and returning DSN 5.1.2 (host not found). A Non-Delivery Report would be sent to the original sender who would need to resend the message. No emails were reported lost during the incident.
According to Proofpoint's status updates, the issue progressed to a degraded state and was acknowledged at , with service restoration by . The provider issued two status updates during the incident as they worked to restore full delivery. The outage lasted for about 13 hours and 56 minutes before resolution.
Proofpoint experienced a production service interruption starting at , affecting emails sent to Microsoft 365 tenants. Customers may have seen DSN=4 deferrals and delayed messages, with some emails rejected and returning DSN=5.1.2 (host not found). A Non-Delivery Report was delivered to the original sender who would need to resend. No email messages were reported lost.
The incident prompted two status updates from Proofpoint. The status moved to a degraded state at and was returned to normal by . The outage persisted for approximately 13 hours and 31 minutes, during which sending emails to Microsoft 365 tenants was impacted across the platform.
Proofpoint experienced a production service interruption affecting email delivery to Microsoft 365 tenants, resulting in delays and DSN=4 deferrals for messages routed to Microsoft 365 recipients. Mail flow across Proofpoint's mail delivery ecosystem was disrupted, impacting the ability to send external emails. The outage began on and was resolved by .
StatusGator detected the issue at , roughly 2 hours before Proofpoint publicly acknowledged it on their status page at . Proofpoint issued 3 official updates during the incident, and the service returned to normal with the status updated to up by . User reports came from regions around the world, indicating a broad, global impact with activity peaking during the evening hours.
Proofpoint Hosted customers experienced intermittent failures delivering email digests. Digest processing could halt when a failure response code was returned from the digest query, causing intermittent deliverability issues during the daily window between and UTC. Some end users did not receive their digests or received partial digests during these periods.
The issue was acknowledged on the status page with a warning on and the provider issued two status updates as the situation progressed. The incident was resolved with the status returning to up on .
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