# Outbound MMS Messaging - AT&T

- Provider: [Bandwidth](https://down.guide/bandwidth)
- Level: confirmed
- Impact: Degraded
- lasted 5h 9m
- started 2026-10-21 21:45 UTC
- MMS Messaging (MM4)
- us
- id: DWN-835d753b51
- Official page: https://stspg.io/dmzh2p6dlqmr

## Updates from Bandwidth
### 2026-10-21 21:45 UTC: investigating
Teams are investigating an incident impacting outbound MMS messages towards AT&T destinations. These messages may fail unexpectedly.

### 2026-10-22 01:41 UTC: monitoring
Teams are observing expected messaging delivery and will monitor for stability.

### 2026-10-22 02:54 UTC: resolved
This incident has been resolved.

### 2026-10-22 08:38 UTC: postmortem
Bandwidth has concluded its investigation of this issue and determined that between 18:58 UTC on October 21, 2026 and 01:02 UTC on October 22, 2026, outbound MMS messages towards AT&T destinations were delayed. 
Due to the limited scope of impact, Bandwidth is closing this incident and this will be the extent of the information we will provide for this issue. If you have any questions, please contact us through the Bandwidth support portal. 
We are grateful you have entrusted Bandwidth as your communication partner and we are sorry if this issue resulted in any disruption to your services.

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