Poppulo incident
Proofpoint DNS issues leading to an increase in bounced emails
Poppulo experienced a minor incident on August 14, 2026 affecting Email Sending, lasting 4h 9m. The incident has been resolved; the full update timeline is below.
Affected components
Email Sending
Update timeline
- monitoring Aug 14, 2026, 02:12 PM UTC
We have been made aware of an issue with third party mailing infrastructure provider Proofpoint Proofpoint are experiencing a DNS resolution issue when resolving gslb.pphosted.com . This issue may lead to an increase in email bounces for customers mailing to Proofpoint hosted email addresses . Proofpoint have a status page and the issue can be tracked here https://proofpoint.my.site.com/community/s/proofpoint-current-incidents Poppulo Support.
- resolved Aug 14, 2026, 06:21 PM UTC
This incident has been resolved.