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Outage in Bandwidth

Messaging DLR Rejection Incident - AT&T

Resolved Minor
November 04, 2025 - Started 4 months ago - Lasted about 23 hours
Official incident page

Incident Report

Bandwidth teams are investigating in incident where unexpected rejected DLR's from AT&T destinations are being received for outbound messages.

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Latest Updates ( sorted recent to last )
RESOLVED 4 months ago - at 11/05/2025 01:36PM

This incident has been resolved.

MONITORING 4 months ago - at 11/04/2025 05:55PM

Teams are observing expected DLR behavior from this industry vendor. We will continue to monitor for stability.

INVESTIGATING 4 months ago - at 11/04/2025 04:24PM

Teams continue to investigate this off-network incident.

IDENTIFIED 4 months ago - at 11/04/2025 03:08PM

Teams have identified the cause of DLR rejections as an off-network industry impairment. We continue to work with the provider to restore expected DLR behaviors.

INVESTIGATING 4 months ago - at 11/04/2025 02:10PM

Bandwidth teams are investigating in incident where unexpected rejected DLR's from AT&T destinations are being received for outbound messages.

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