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Outage in Twilio

SMS Delivery Receipt Delays from Twilio to Drillisch 1&1 in Germany

Resolved Minor
March 04, 2026 - Started about 3 hours ago - Lasted about 1 hour
Official incident page

Incident Report

Summary AI Generated

Twilio experienced SMS delivery receipt delays for messages sent to Drillisch 1&1 network subscribers in Germany, affecting SMS services in Europe for 1.4 hours. While SMS messages were still being delivered successfully, customers experienced delays in receiving delivery confirmation receipts. The issue was resolved through monitoring and investigation, with service recovery observed and stability being monitored.

Our monitoring systems have detected a potential issue with SMS Delivery Receipt Delays to Drillisch 1&1 in Germany. Our engineers have been alerted and are investigating. We will provide an update when we have more details.
Components affected
Twilio SMS, Europe

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Latest Updates ( sorted recent to last )
MONITORING about 2 hours ago - at 03/05/2026 01:10AM

We have observed a recovery in SMS delivery receipts from Twilio to Drillisch 1&1 network subscribers in Germany and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

INVESTIGATING about 3 hours ago - at 03/05/2026 12:36AM

Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Drillisch 1&1 network subscribers in Germany. Our team is actively investigating this issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 1 hour or as soon as more information becomes available.

INVESTIGATING about 3 hours ago - at 03/05/2026 12:34AM

Our monitoring systems have detected a potential issue with SMS Delivery Receipt Delays to Drillisch 1&1 in Germany. Our engineers have been alerted and are investigating. We will provide an update when we have more details.

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