Outage in Exclaimer
Signatures not being applied to some messages
Resolved MajorIncident Report
Summary AI Generated
Exclaimer experienced a major issue where email signatures were not being applied to some messages, though mail flow continued normally. Engineers identified the root cause and implemented a fix after approximately 25 hours of investigation. The issue was fully resolved after 68.4 hours following extended monitoring to ensure no further signature failures occurred.
We are currently investigating an issue where signatures are not being applied to messages at this time.
There is no impact on mail flow; emails will continue to be routed through Exclaimer without issue.
If you have any ongoing issues or concerns, please reach out to our Support Team, who will be able to assist.
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Latest Updates ( sorted recent to last )
RESOLVED
about 1 month ago - at 03/23/2026 11:18AM
After extended monitoring over the weekend, we have been able to confirm the issue has been resolved and there have been no further errors or missed signatures for our customers.
Customers who are continuing to see issues should contact our support team, who will be happy to help investigate any issues you may be seeing.
MONITORING
about 1 month ago - at 03/20/2026 05:22PM
Exclaimer Engineers have been able to identify a possible cause and have performed a change to help address the issue being seen.
Signatures now look to be getting applied to all messages as expected, and engineers will continue to monitor.
INVESTIGATING
about 1 month ago - at 03/20/2026 04:02PM
We are continuing to investigate the issue.
INVESTIGATING
about 1 month ago - at 03/20/2026 02:59PM
We are currently investigating an issue where signatures are not being applied to messages at this time.
There is no impact on mail flow; emails will continue to be routed through Exclaimer without issue.
If you have any ongoing issues or concerns, please reach out to our Support Team, who will be able to assist.
Latest Exclaimer outages
Microsoft incident causing issues with signature imprinting and the portal in multiple regions - 6 days ago
Multiple signatures appearing in some messages - 15 days ago
Issues accessing Exclaimer Portal for some users - 29 days ago
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