Outage in Cvent
Email Delivery Delays – Multiple IPs Blocked by Spamhaus
Resolved Major
September 24, 2026 - Started 1 day ago
- Lasted about 20 hours
Incident Report
Summary AI Generated
Cvent experienced a major email delivery disruption lasting approximately 20 hours after multiple sending IPs were blocked by Spamhaus, a third-party email protection service. The issue affected email delivery across North America and Europe for Event Marketing & Management customers on the Cvent Platform, meaning invitees were not receiving emails sent through the system. Cvent's team identified the root cause and resolved it by completing the IP delisting process with Spamhaus.
Some invitees may not be receiving emails from Cvent because several sending IPs are being blocked by a third-party email protection service. Our team has identified the issue and initiated the delisting process. We will continue to provide updates as we have more information.
Components affected
Cvent North America Cvent Event Marketing & Management Cvent Platform Cvent Email Cvent Europe Cvent Event Marketing & Management Cvent Platform Cvent EmailTrusted by 1,000+ teams
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