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none✓ Resolved

Increased Microsoft Inbox Provider Blocks

SendGridThu, Jan 22, 2026, 10:07 PM
Status
resolved
Duration
7d 6h
Updates
7
Coverage
1 article

📰 RELATED ARTICLES

SendGrid outage: Increased Microsoft Inbox Provider Blocks
SendGrid outage: Increased Microsoft Inbox Provider Blocks
Jan 23, 2026

INCIDENT TIMELINE

✓ ResolvedFri, Jan 30, 2026, 04:20 AM
This incident has been resolved.
investigatingMon, Jan 26, 2026, 03:56 PM
Our engineering team is still actively investigating this issue, and we will provide more updates as soon as they become available.
investigatingSat, Jan 24, 2026, 06:55 PM
Our engineering team is still actively investigating this issue and we will provide more updates as soon as they become available.
investigatingFri, Jan 23, 2026, 11:35 PM
Our engineering team is still actively investigating this issue and we will provide more updates as soon as they become available.
investigatingFri, Jan 23, 2026, 04:00 PM
Our engineering team is still actively investigating this issue and we will provide more updates as soon as they become available.
investigatingFri, Jan 23, 2026, 11:22 AM
Our engineering team is still actively investigating this issue and we will provide more updates as soon as they become available.
investigatingFri, Jan 23, 2026, 12:18 AM
Our engineering team is actively investigating this issue and we will provide more updates as soon as they become available.
investigatingThu, Jan 22, 2026, 10:07 PM
Starting around 3:00 am PST on January 14, our engineers began investigating an issue with emails sent to Microsoft Outlook Consumer domains. Some customers may experience an increase in email block rates to Microsoft Outlook Consumer domains which include Hotmail and Outlook domains. Our Engineers are working with Microsoft. We will provide another update in two hours or as soon as more information becomes available.

📊 TECHNICAL DETAILS

Internal ID
fb385567-5db1-4d95-ac87-8501efe36063
External ID
s4r5zvr8v4hh
🕐 Started
Thu, Jan 22, 2026, 10:07 PM
🔄 Last Updated
Fri, Jan 30, 2026, 04:20 AM
✓ Resolved
Fri, Jan 30, 2026, 04:20 AM
NONE
Impact Level
7d 6h
Total Duration
7
Status Updates
✍️
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