Changes / ActiveCampaign / Transactional Email Failures
ActiveCampaign: Critical incident: Transactional Email Failures
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 diff below (Sol; type: incident outage). Check the diff before relying on it.
What changed
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After: Transactional Email Failures
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After: critical
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After: resolved
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After: 2026-09-28 15:05 UTC
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After: 2026-09-28 18:55 UTC
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After: Email, Message Sending Availability - Email
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After: Transactional email is currently failing to send. Engineering is investigating the root cause now and will report updates every 20 minutes.
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After: The issue has been identified and the backlogged messages have started to send. Engineering is working to expedite the catch up.
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After: A fix has been implemented and we are monitoring the results.
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After: The backlogged messages are rapidly catching up. We expect full resolution within 20 minutes.
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After: This incident has been resolved.
First version of this incident archived by Rewindex. View the live incident.
History of this incident
| When (UTC) | Change | Kind |
|---|---|---|
| Critical incident: Transactional Email Failures (this change) 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. | Major incident |
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