ZoomInfo incident
Email Deliverability Issues - Third Party Vendor Outage
ZoomInfo experienced a notice incident on January 22, 2026 affecting ZoomInfo Enterprise API and Sales and 1 more component, lasting 18h 14m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Jan 22, 2026, 09:24 PM UTC
Microsoft is currently experiencing issues which is causing delays in some emails being delivered to and from our ZoomInfo teams for customers using Microsoft as their email provider. For urgent Support issues, please use our chat or phone options to reach our Support team. In addition, any emails sent from ZoomInfo platforms for O365 users may not be delivered during this incident. We are actively monitoring the status and will provide updates as we receive them.
- resolved Jan 23, 2026, 03:38 PM UTC
Microsoft has resolved the issue that was causing delays in some emails being delivered to and from our ZoomInfo teams for customers using Microsoft as their email provider. This incident has been fully resolved.