Issues accessing Exclaimer Portal for some users
Identified - Exclaimer Engineers have identified the cause of the issue and are currently working on a solution.

Further updates will be provided once this is released.
Apr 01, 2026 - 12:06 UTC
Investigating - We are currently investigating an issue with some users not being able to access the Exclaimer Portal when choosing Launch, where the portal gets caught on a loading page.
The issue does not appear to affect all users and all subscriptions at this time
Apr 01, 2026 - 10:31 UTC
Uptime over the past 90 days. View historical uptime.
Australia Operational
90 days ago
100.0 % uptime
Today
AU: Server-Side: Mail Routing - Office 365 Operational
90 days ago
100.0 % uptime
Today
AU: Server-Side: Mail Routing - Exchange Operational
90 days ago
100.0 % uptime
Today
AU: Server-Side: Signature Application Operational
90 days ago
100.0 % uptime
Today
AU: Server-Side: Sent Items Update Operational
90 days ago
100.0 % uptime
Today
AU: Client-Side: Signature Application - Office 365 Operational
90 days ago
100.0 % uptime
Today
AU: Data: User Synchronization Operational
90 days ago
100.0 % uptime
Today
AU: UI: Admin User Interface Operational
90 days ago
100.0 % uptime
Today
AU: UI: New Customer Onboarding Operational
90 days ago
100.0 % uptime
Today
AU: Analytics: Click Tracking Operational
90 days ago
100.0 % uptime
Today
AU: Feedback Operational
90 days ago
100.0 % uptime
Today
Canada Operational
90 days ago
100.0 % uptime
Today
CA: Server-Side: Mail Routing - Office 365 Operational
90 days ago
100.0 % uptime
Today
CA: Server-Side: Mail Routing - Exchange Operational
90 days ago
100.0 % uptime
Today
CA: Server-Side: Signature Application Operational
90 days ago
100.0 % uptime
Today
CA: Server-Side: Sent Items Update Operational
90 days ago
100.0 % uptime
Today
CA: Client Side: Signature Application - Office 365 Operational
90 days ago
100.0 % uptime
Today
CA: Data: User Synchronization Operational
90 days ago
100.0 % uptime
Today
UI: Admin User Interface Operational
90 days ago
100.0 % uptime
Today
UI: New Customer Onboarding Operational
90 days ago
100.0 % uptime
Today
CA: Analytics: Click Tracking Operational
90 days ago
100.0 % uptime
Today
CA: Feedback Operational
90 days ago
100.0 % uptime
Today
Europe Operational
90 days ago
100.0 % uptime
Today
EU: Server-Side: Mail Routing - Office 365 Operational
90 days ago
100.0 % uptime
Today
EU: Server-Side: Mail routing - Google Workspace Operational
90 days ago
100.0 % uptime
Today
EU: Server-Side: Mail Routing - Exchange Operational
90 days ago
100.0 % uptime
Today
EU: Server-Side: Signature Application Operational
90 days ago
100.0 % uptime
Today
EU: Server-Side: Sent Items Update Operational
90 days ago
100.0 % uptime
Today
EU: Client Side: Signature Application - Office 365 Operational
90 days ago
100.0 % uptime
Today
EU: Client Side: Signature Application - Google Workspace Operational
90 days ago
100.0 % uptime
Today
EU: Data: User Synchronization Operational
90 days ago
100.0 % uptime
Today
EU: UI: Admin User Interface Operational
90 days ago
100.0 % uptime
Today
EU: UI: New Customer Onboarding Operational
90 days ago
100.0 % uptime
Today
EU: Analytics: Click Tracking Operational
90 days ago
100.0 % uptime
Today
EU: Feedback Operational
90 days ago
100.0 % uptime
Today
Germany Operational
90 days ago
99.99 % uptime
Today
DE: Server-Side: Mail Routing - Office 365 Operational
90 days ago
100.0 % uptime
Today
DE: Server-Side: Mail Routing - Exchange Operational
90 days ago
100.0 % uptime
Today
DE: Server-Side: Signature Application Operational
90 days ago
99.98 % uptime
Today
DE: Server-Side: Sent Items Update Operational
90 days ago
100.0 % uptime
Today
DE: Client Side: Signature Application - Office 365 Operational
90 days ago
100.0 % uptime
Today
DE: Data: User Synchronization Operational
90 days ago
100.0 % uptime
Today
DE: UI: Admin User Interface Operational
90 days ago
100.0 % uptime
Today
DE: UI: New Customer Onboarding Operational
90 days ago
100.0 % uptime
Today
DE: Analytics: Click Tracking Operational
90 days ago
100.0 % uptime
Today
DE: Feedback Operational
90 days ago
100.0 % uptime
Today
UAE Operational
90 days ago
100.0 % uptime
Today
UAE: Server-Side: Mail Routing - Office 365 Operational
90 days ago
100.0 % uptime
Today
UAE: Server-Side: Mail Routing - Exchange Operational
90 days ago
100.0 % uptime
Today
UAE: Server-Side: Signature Application Operational
90 days ago
100.0 % uptime
Today
UAE: Server-Side: Sent Items Update Operational
90 days ago
100.0 % uptime
Today
UAE: Client Side: Signature Application - Office 365 Operational
90 days ago
100.0 % uptime
Today
UAE: Data: User Synchronization Operational
90 days ago
100.0 % uptime
Today
UAE: UI: Admin User Interface Operational
90 days ago
100.0 % uptime
Today
UAE: UI: New Customer Onboarding Operational
90 days ago
100.0 % uptime
Today
UAE: Analytics: Click Tracking Operational
90 days ago
100.0 % uptime
Today
UAE: Feedback Operational
90 days ago
100.0 % uptime
Today
UK Operational
90 days ago
100.0 % uptime
Today
UK: Server-Side: Mail Routing - Office 365 Operational
90 days ago
100.0 % uptime
Today
UK: Server-Side: Mail Routing - Exchange Operational
90 days ago
100.0 % uptime
Today
UK: Server-Side: Signature Application Operational
90 days ago
100.0 % uptime
Today
UK: Server-Side: Sent Items Update Operational
90 days ago
100.0 % uptime
Today
UK: Client Side: Signature Application - Office 365 Operational
90 days ago
100.0 % uptime
Today
UK: Data: User Synchronization Operational
90 days ago
100.0 % uptime
Today
UK: UI: Admin User Interface Operational
90 days ago
100.0 % uptime
Today
UK: UI: New Customer Onboarding Operational
90 days ago
100.0 % uptime
Today
UK: Analytics: Click Tracking Operational
90 days ago
100.0 % uptime
Today
UK: Feedback Operational
90 days ago
100.0 % uptime
Today
US Operational
90 days ago
100.0 % uptime
Today
US: Server-Side: Mail Routing - Office 365 Operational
90 days ago
100.0 % uptime
Today
US: Server-Side: Mail Routing - Google Workspace Operational
90 days ago
100.0 % uptime
Today
US: Server-Side: Mail Routing - Exchange Operational
90 days ago
100.0 % uptime
Today
US: Server-Side: Signature Application Operational
90 days ago
100.0 % uptime
Today
US: Server-Side: Sent Items Update Operational
90 days ago
100.0 % uptime
Today
US: Client Side: Signature Application - Office 365 Operational
90 days ago
100.0 % uptime
Today
US: Client Side: Signature Application - Google Workspace Operational
90 days ago
100.0 % uptime
Today
US: Data: User Synchronization Operational
90 days ago
100.0 % uptime
Today
US: UI: Admin User Interface Operational
90 days ago
100.0 % uptime
Today
US: UI: New Customer Onboarding Operational
90 days ago
100.0 % uptime
Today
US: Analytics: Click Tracking Operational
90 days ago
100.0 % uptime
Today
US: Feedback Operational
90 days ago
100.0 % uptime
Today
UI: Authentication and Billing Portal Operational
90 days ago
100.0 % uptime
Today
Client-Side: Outlook Add-In Deployment Operational
90 days ago
100.0 % uptime
Today
Third-Party: Zoom Meeting Branding Operational
Zoom Meetings Operational
Zoom Marketplace Operational
Zoom REST API Operational
Zoom Web SDK Operational
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
Major outage
Partial outage
No downtime recorded on this day.
No data exists for this day.
had a major outage.
had a partial outage.

No incidents or maintenance related to this downtime.

System Metrics Month Week Day
Average Client Side Duration ?
Fetching
Average Server Side Duration ?
Fetching
Apr 1, 2026
Server side emails bouncing - Error message - Need Mail Command
Resolved - After continued monitoring, we have confirmed that emails are now being processed as expected through Exclaimer.
If you disabled the Exclaimer Mail Flow rule, please look to enable this again when ready.

If you are continuing ot see issues, please reach out to our support team, who will be happy to help.
Apr 1, 14:17 UTC
Monitoring - We have identified that the issue was caused by an internal mail‑processing component that had recently been enabled. Under certain conditions, this component could interfere with message handling and lead to the errors observed. The feature has now been disabled, and the issue has stopped.

An unrelated third party was incorrectly attributed to the issue earlier. We have identified other internal changes that coincided with the timing of the incident, and these have been rolled back as a precaution. We are continuing to investigate to ensure there is no further impact.

The service has remained stable since our last update, and we are continuing to monitor closely.
Apr 1, 07:25 UTC
Investigating - We are investigating issues with emails failing to route through Exclaimer for server side signature imprints.
For now, we recommend disabling server side transport rules in Exchange Online (Identify messages to send to Exclaimer cloud) to ensure mail flow.

We will continue to update as more information becomes available.
Apr 1, 05:26 UTC
Mar 31, 2026

No incidents reported.

Mar 30, 2026

No incidents reported.

Mar 29, 2026

No incidents reported.

Mar 28, 2026

No incidents reported.

Mar 27, 2026

No incidents reported.

Mar 26, 2026

No incidents reported.

Mar 25, 2026

No incidents reported.

Mar 24, 2026

No incidents reported.

Mar 23, 2026
Signatures not being applied to some messages
Resolved - 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.
Mar 23, 11:18 UTC
Monitoring - 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.
Mar 20, 17:22 UTC
Update - We are continuing to investigate the issue.
Mar 20, 16:02 UTC
Investigating - 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.
Mar 20, 14:59 UTC
Mar 22, 2026

No incidents reported.

Mar 21, 2026

No incidents reported.

Mar 20, 2026
Mar 19, 2026

No incidents reported.

Mar 18, 2026
Message processing issues in UK
Resolved - Engineers have confirmed that the previous service alert has been resolved.

The service is now back to full health and is working as normal.

Thank you for your patience.
Mar 18, 08:34 UTC
Monitoring - We have identified what was behind the degraded service in the UK and have put a fix in place to remediate the issue. Mail routing has returned to a stable state and we are currently monitoring the situation
Mar 18, 08:10 UTC
Investigating - We are currently investigating this issue.
Mar 17, 22:59 UTC
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