Poppulo incident
Proofpoint DNS issues leading to an increase in bounced emails
Resolved after 4 hours 9 minutes, affecting Email Sending, on August 14, 2026.
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.
Affected components
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.
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