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SMS Delivery Receipt Delays from Twilio to MTN Swaziland

Minor Impact Resolved Duration: 4h 13m September 15, 2026
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Current answer

SendGrid experienced a minor incident: SMS Delivery Receipt Delays from Twilio to MTN Swaziland. ServiceAlert observed recovery on Sep 15, 2026.

Official SendGrid status page Current SendGrid status ServiceAlert observed status change:

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Incident Lifecycle

Investigating Identified Monitoring Monitoring
Affected Components
SMS, Middle East & Africa

Incident Timeline

Monitoring
We have observed a recovery in SMS delivery receipts from Twilio to MTN network subscribers in Swaziland and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.
Sep 15, 2026 at 3:57 AM UTC
Monitoring
We have observed a recovery in SMS delivery receipts from Twilio to MTN network subscribers in Swaziland and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
Sep 15, 2026 at 1:56 AM UTC
Identified
Twilio customers may be experiencing SMS delivery receipt delays from Twilio to MTN network subscribers in Swaziland. Our team has identified the cause, and is working to resolve the 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.
Sep 15, 2026 at 12:46 AM UTC
Investigating
Twilio customers may be experiencing SMS delivery receipt delays from Twilio to MTN network subscribers in Swaziland. 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.
Sep 15, 2026 at 12:31 AM UTC
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