Signatures not being applied to some messages
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, 2026 - 17:22 UTC
Update - We are continuing to investigate the issue.
Mar 20, 2026 - 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, 2026 - 14:59 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
Mar 20, 2026

Unresolved incident: Signatures not being applied to some messages.

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
Mar 17, 2026
Mar 16, 2026

No incidents reported.

Mar 15, 2026

No incidents reported.

Mar 14, 2026
Planned Maintenance - Exclaimer Portal
Completed - The scheduled maintenance has been completed.
Mar 14, 08:44 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 14, 08:00 UTC
Scheduled - Exclaimer engineers will be conducting routiune maintenance on the Exclaimer portal (https://portal.exclaimer.com/) to enhance its security.

During this maintenance period, customers may experience difficulties logging into their subscriptions via the portal. However, please note that signature templates will continue to function normally throughout this time.

If you have any questions or concerns, please reach out to our great support team, who will be more than happy to help answer any questions.
Mar 12, 13:27 UTC
Mar 13, 2026

No incidents reported.

Mar 12, 2026

No incidents reported.

Mar 11, 2026

No incidents reported.

Mar 10, 2026

No incidents reported.

Mar 9, 2026

No incidents reported.

Mar 8, 2026

No incidents reported.

Mar 7, 2026

No incidents reported.

Mar 6, 2026
Issues completing Exclaimer Cloud setup - Microsoft 365
Resolved - This incident has been resolved.
Mar 6, 09:39 UTC
Investigating - Exclaimer Engineers are investigating a possible issue that may impact some customers who are configuring Exclaimer Cloud for Microsoft 365.

The issue is not expected to impact a larger number of customers, and re-running the setup should resolve the issue. If you are having issues with the setup, please reach out to our Support Team, who will be able to assist.
Mar 4, 14:19 UTC
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