Incident History

Scheduled System Maintenance

Date: Thursday, 28 May 2026 Maintenance Window: 22:00 – 02:00 (following day)
All times are in the local system timezone (CEST).

Purpose of Maintenance

We are performing essential maintenance on our core infrastructure. This work is required to ensure the ongoing stability, security, and optimal performance of our systems.

Impacted Services & Expected Impact

During this maintenance window, the following services will be affected:

• SMTP Connections: Intermittent interruptions may occur. Each interruption is expected to last up to 20–30 minutes.
• Centera Platforms and services: These platforms will be unavailable for up to 20–30 minutes.

Recommendations

To minimise disruption, please avoid time-sensitive or critical operations that depend on SMTP email delivery.

We strongly advise customers not to send any important or high-priority messages immediately before or during the scheduled maintenance period.

Plan your workflows accordingly.

We Appreciate Your Understanding

We sincerely apologise for any inconvenience this scheduled maintenance may cause. Your patience and cooperation are greatly appreciated as we work to keep our systems reliable and secure.

Thank you for your understanding.

Service Update: SMTP Incident - May 6th - Reprocessing Complete

We are providing a final update regarding the SMTP service incident that occurred on May 6th.

Current Status

All affected messages (both outbound and inbound) from the May 6th incident have now been successfully reprocessed and delivered.

Impact Summary

• Only a small number of customers were affected.
• Some customers may have experienced a few delayed messages from May 6th arrived today.

Services have been fully stable since the incident, and normal email flow has resumed.

Preventive Measures

To avoid similar situations in the future, we will be implementing enhanced monitoring systems and additional failover mechanisms to better handle unexpected email volume surges.

We sincerely apologize for any inconvenience this caused and thank you for your continued patience and understanding.

If you continue to notice any missing or delayed emails from May 6th, please contact our support team with the relevant details.

Thank you,

Our SMTP services experienced an unexpected surge in email volume, which caused temporary delays in mail delivery. All services are now fully restored and operating normally. We apologize for the inconvenience and thank you for your patience.