ActiveCampaign: Transactional Email Failures

Impact: criticalStatus: resolvedStarted 2026-09-28 15:05 UTCResolved 2026-09-28 18:55 UTC (3.8 h)5 updatesSource: stspg.io

Summary

ActiveCampaign reported a critical outage preventing transactional emails from sending, starting at 2026-09-28 15:05 UTC and resolved at 2026-09-28 18:55 UTC, lasting 3 h 50 min. Backlogged messages began sending at 15:16 UTC, and a fix was implemented at 15:22 UTC.

Machine-written from the archived incident (Sol). Check the timeline before relying on it.

Affected components: EmailMessage Sending Availability - Email

Timeline of updates

investigating2026-09-28 15:05 UTC
Transactional email is currently failing to send. Engineering is investigating the root cause now and will report updates every 20 minutes.
identified2026-09-28 15:16 UTC
The issue has been identified and the backlogged messages have started to send. Engineering is working to expedite the catch up.
monitoring2026-09-28 15:22 UTC
A fix has been implemented and we are monitoring the results.
monitoring2026-09-28 15:30 UTC
The backlogged messages are rapidly catching up. We expect full resolution within 20 minutes.
resolved2026-09-28 18:55 UTC
This incident has been resolved.

Rewindex changes for this incident

Critical incident: Transactional Email Failures 2026-09-28 15:05 UTC

Impact, status and times are the vendor’s own, as last archived. View on stspg.io (opens in new tab). ActiveCampaign profile · Recent ActiveCampaign incidents · Markdown · JSON