Resolved -
Carriers are reporting this issue has been resolved
Dec 11, 21:43 UTC
Identified -
Our NA Carrier is investigating an incident where MMS messages are expiring for AT&T destinations.
MMS will fail with the error: Error code: message-not-sent-expiration-date-passed
The carrier has identified the source of this incident and are working to restore expected message deliverability.
Dec 11, 18:31 UTC