Outage in Centera Security
Spamhaus issues
Resolved Minor
June 08, 2025 - Started 10 months ago
- Lasted 6 days
Incident Report
## Email Delivery Issue Notification
**Timeframe:** 20:00 – 21:38
We experienced an issue where all our IP addresses on one of our ISP connections were blacklisted by Spamhaus.
To maintain service continuity, we rerouted all email traffic through our secondary ISP, ensuring delivery to our customers' Exchange servers.
Unfortunately, some emails were not delivered before the rerouting took effect. We are currently in the process of resending those messages.
Some senders may have received bounce notifications indicating failed delivery to our customers' mail servers. These messages will be reprocessed and delivered as expected.
We apologize for the inconvenience and appreciate your understanding.
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