This maintenance is regarding the catalyst2 Spam Filtering service on st2.mx.email-filter.net.
As part of this maintenance, some of the spam filtering infrastructure will be migrated. As the service operates across a clustered environment, emails should continue to be filtered as normal. However, customers may notice brief interruptions to spam filtering services while the work is carried out.
WINDOW START
02-09-2026 19:00 BST (18:00 UTC)
WINDOW END
02-09-2026 23:59 BST (22:59 UTC)
Dates are provided in the format DD-MM-YYYY.
If you have any questions regarding this notice, please contact support@catalyst2.com, and our team will be happy to assist.