Exclaimer incident
Delayed message delivery and signature imprinting issues
Resolved after 51 minutes, affecting US: Server-Side: Signature Application, on September 8, 2026.
Email signature delivery is operating normally in the US again after mitigation by engineers. Between 14:20 and 14:54 UTC, customers may have experienced some minor delays whilst imprinting was retried internally and a small number of messages may have been delivered without a signature applied. We apologise for any disruption caused.
Affected components
Update timeline
- monitoring Sep 08, 2026, 03:02 PM UTC
Engineers have applied a mitigation for the issue affecting mail processing that began at 14:37 UTC. Some messages experienced delays while imprinting was retried, and a small number of messages may have been sent without a signature applied. Our engineering team is continuing to monitor performance to confirm full recovery.
- resolved Sep 08, 2026, 03:54 PM UTC
Email signature delivery is operating normally in the US again after mitigation by engineers. Between 14:20 and 14:54 UTC, customers may have experienced some minor delays whilst imprinting was retried internally and a small number of messages may have been delivered without a signature applied. We apologise for any disruption caused.
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