Further to the previous post, the outbound filtering in the European datacenters has returned to normal processing times, and all monitoring is reporting that the systems are functioning normally.
Further root cause analysis is underway by our technology team on this issue to prevent future recurrences of this, and similar issues, from arising in the future.
We thank you for your patience in this matter whilst we addressed this issue, and apologize for any inconvenience which this may have caused.