A permanent fix has been deployed for this issue now and the issue is resolved.
If you have any questions or concerns, please reach out to firstname.lastname@example.org
Jun 1, 13:41 AEST
We have placed in a temporary fix to this problem that should allow regular sending to resume.
A more permanent fix will be put in place tomorrow relating to this issue.
An update will be provided once that has gone live.
May 31, 18:13 AEST
Our team currently have a fix ready for this issue and are looking to deploy it shortly.
An additional update will be provided once it is live.
May 31, 09:57 AEST
We’re currently experiencing issues with legacy M4U over https (443) and that we’re working on a fix.
May 28, 23:05 AEST
We are currently aware of a problem some customers are seeing on our legacy M4UD API.
May 28, 21:25 AEST