Kualo experienced a minor incident on May 27, 2026 affecting Rosaline and MailMachine, lasting 3h 49m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating May 27, 2026, 10:11 PM UTC
We are currently experiencing a server wide outage on the Rosaline server. We are working to resolve this as a priority and will keep you informed at all times. Our apologies for the inconvenience that this is causing
- investigating May 27, 2026, 11:37 PM UTC
Dear Clients, Our engineering team is continuing to investigate and work on the outage on the Rosaline server at this time. As soon as we have further information, we will update this thread. Kind regards, Kualo Support
- identified May 28, 2026, 12:01 AM UTC
Dear Clients, Our engineers have determed that Rosaline has experienced a hardware failure. We’re in the process of working further to diagnose that, while simultaneously establishing options to bring the server back online using one of our spare servers. We’ll provide further updates when we have further information regarding this process. Kind regards, Kualo Support
- identified May 28, 2026, 12:40 AM UTC
Dear Clients, We are in the process of moving Rosaline’s hard drives to a standby spare server at present. Once done, our engineering team will undertake configuration updates to the server ahead of bringing the server back online. Kind regards, Kualo Support
- monitoring May 28, 2026, 01:09 AM UTC
We have addressed the underlying service issues, and beleive this to be resolved, though we are continuing to monitor this closely.
- resolved May 28, 2026, 01:29 AM UTC
This issue is now fully resolved, though we are continuing to monitor this closely. Our sincere apologies for the inconvenience this has caused.
- identified May 28, 2026, 01:33 AM UTC
Dear Clients, Our engineers were able to bring Rosaline back online approximately 25 minutes ago, and we have been working to analyse the server since doing so. We’re now going to shut the server down once more to increase the server’s available memory, and once complete will bring it back online again. Kind regards, Kualo Support
- resolved May 28, 2026, 02:00 AM UTC
Dear Clients, We’re pleased to let you know that Rosaline is now back online and fully operational. Our engineering team will continue to monitor the server in the background, but at this time we consider this maintenance complete. Please accept our sincere apologies for the unusual length of downtime experienced during this event, and for any inconvenience that this caused. If you have any questions at all, please don’t hesitate to let our team know via our client area at https://my.kualo.com/ . Kind regards, Kualo Support