Outage in Liquid Web

Email issues: Service degradation on Microsoft 365 (Business or Enterprise).

Resolved Minor

January 23, 2026 - Started 6 days ago - Lasted about 4 hours
Official incident page

Incident Report

Microsoft is currently experiencing widespread service degradation. This issue specifically impacts users attempting to send or receive emails to Microsoft-hosted accounts (including Outlook, Hotmail, and Office 365). Affected users may experience limited functionality across multiple Microsoft 365 services or receive delivery errors such as "451 4.3.2 Temporary server" or "Host lookup failed." Our team is monitoring the situation closely and will provide further updates as more information becomes available. We appreciate your patience and understanding. If you need any help, please chat with us or create a ticket via my.liquidweb.com.

Need to monitor Liquid Web outages?

Monitor all your external dependencies in one place
Get instant alerts when outages are detected
Be the first to know if service is down
Show real-time status on private or public status page
Keep your team informed

Start monitoring for free

Latest Updates ( sorted recent to last )

RESOLVED 6 days ago - at 01/23/2026 09:32AM

This incident has been resolved.

MONITORING 6 days ago - at 01/23/2026 06:56AM

A fix has been implemented and we are monitoring the results.

IDENTIFIED 6 days ago - at 01/23/2026 05:50AM

Microsoft is currently experiencing widespread service degradation. This issue specifically impacts users attempting to send or receive emails to Microsoft-hosted accounts (including Outlook, Hotmail, and Office 365).

Affected users may experience limited functionality across multiple Microsoft 365 services or receive delivery errors such as "451 4.3.2 Temporary server" or "Host lookup failed."

Our team is monitoring the situation closely and will provide further updates as more information becomes available. We appreciate your patience and understanding.

If you need any help, please chat with us or create a ticket via my.liquidweb.com.

Latest Liquid Web outages

POP3 and SSH Service Down Alerts on Multiple Servers - about 5 hours ago

Rate limited and deferral bounce backs to Microsoft and Yahoo accounts - 1 day ago

Cloudflare Network Degradation - 1 day ago

Issues with Provisioning in Lansing - 13 days ago

Checkout services degraded - 14 days ago

The Status Page Aggregator with Early Outage Detection

With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown.

Start free trial

No credit card required · Cancel anytime · 5450 services available

Integrations with Slack Microsoft Teams Google Chat Datadog PagerDuty Zapier Discord Webhook