Duplicate Payment Issue
Update - We have now contacted the impacted customers directly to confirm that the refund for the duplicate transaction is underway and to provide more information on the issue.
Dec 19, 2025 - 09:26 UTC
Identified - Exclaimer is aware of an error that has resulted in duplicate payments being taken from some customers this month.
We are in the process of refunding all duplicate payments; these should be returned within seven(7) business days.

We apologise for any inconvenience that may have occurred. More information will be provided directly to impacted customers.
Dec 18, 2025 - 10:27 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
100.0 % 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
100.0 % 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.

Feb 7, 2026
Planned Maintenance - Exclaimer Portal
Completed - The scheduled maintenance has been completed.
Feb 7, 12:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Feb 7, 10:00 UTC
Update - We will be undergoing scheduled maintenance during this time.
Feb 2, 13:08 UTC
Scheduled - Exclaimer engineers will be conducting maintenance on the Exclaimer portal (https://portal.exclaimer.com/) to enhance its accessibility and availability for customers worldwide.
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.
Feb 2, 12:48 UTC
Feb 6, 2026

No incidents reported.

Feb 5, 2026
Exclaimer Cloud Portal not loading as expected
Resolved - After extended monitoring, our engineers have not seen any further issues stopping customers from accessing our Portal. This weekends planned maintenance work will continue as planned as part of this work will help address the stability of the Portal and improve accessibility for customers in the future.

If you have any questions or concerns, please don't hesitate to contact our great support team, who will be happy to help.
Feb 5, 18:26 UTC
Monitoring - A fix has been implemented, and access to our portal has been restored. Our Engineering team is now monitoring the service for any further issues.
Feb 4, 14:07 UTC
Investigating - Exclaimer Engineers are aware that the Portal is not loading as expected for customers again after an earlier issue. This is being looked into as a high priority for our team.

This issue does not impact signature rules, and signatures continued to be applied to users as expected during the issue.

If you have any questions or concerns, please reach out to our support team, who will be happy to assist.
Feb 4, 13:52 UTC
Feb 4, 2026
Exclaimer Cloud Portal not loading as expected
Resolved - Exclaimer Engineers are aware of an issue that prevented the Portal from loading as expected for a short period of time earlier today.

This issue did not impact signature rules, and signatures continued to be applied to users as expected during the issue.

Users should now be able to log in to the Portal as expected. If you are encountering issues logging in, please don't hesitate to reach out to our support team, who will be happy to help.
Feb 4, 13:15 UTC
Feb 3, 2026
UK Server-side IP appearing on Sender Score Return Path Blocklist
Resolved - No issues have occurred since our last update, and we will now mark this incident as resolved.

If you require any assistance, please contact our support team, who will be more than happy to help.
Feb 3, 12:06 UTC
Monitoring - Monitoring has indicated there has been no impact from the listing, and the IP has not been added back onto the list at this time. Our Engineers will continue to monitor for any further reports.
Feb 2, 15:11 UTC
Investigating - Exclaimer Engineers are aware of a relay IP address within the UK having been added to the Sender Score Return Path Blocklist. The IP is no longer reporting as being on this list. We have reached out to obtain more information.

Client-side signatures are unaffected by this issue.

If you are experiencing issues with mail flow at this time, we advise you to disable the Exclaimer Mail flow rule within the Exchange Admin Center and to contact our support team who will be more than happy to help.
Feb 2, 14:18 UTC
Feb 2, 2026
Message delivery issues
Resolved - Azure service has been restored, and services have scaled up as required, we are no longer seeing any issues within our service as a consequence.

If you are continuing to experience issues within Exclaimer at this time, please don't hesitate to reach out to our support team, who will be happy to help!
Feb 2, 23:59 UTC
Monitoring - Scaling capability appears to have been restored by Microsoft, we're now monitoring our service to ensure it recovers to full capacity.
Feb 2, 23:33 UTC
Identified - Exclaimer engineers have identified a global issue with Azure that is impacting our ability to handle messages, as new compute resource cannot currently be created to handle demand, and as such customers in AU might experience issues with message delivery.

You can look to disable the Mail flow rule ‘Identify messages to send to Exclaimer Cloud’ to restore mail flow.

We will continue to monitor the performance to ensure that the service fully recovers, and provide any updates received by Microsoft. They currently anticipate the fix for this will be in place by 00:00 UTC.

If you are experiencing any other issues with Exclaimer at this time, please contact our support team right away.
Feb 2, 23:10 UTC
Feb 1, 2026

No incidents reported.

Jan 31, 2026
Planned Maintenance - Exclaimer Portal
Completed - The work required for this maintenance window is now complete.
Jan 31, 11:27 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Jan 31, 10:00 UTC
Scheduled - Exclaimer engineers will be conducting essential maintenance on the Exclaimer Portal to enhance its accessibility and availability for customers.

During this maintenance period, customers may experience difficulties logging into their subscriptions via the portal. However, please note that signatures will continue to be added to emails 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 answer any questions.
Jan 30, 16:14 UTC
Jan 30, 2026

No incidents reported.

Jan 29, 2026

No incidents reported.

Jan 28, 2026
Client-side signature Reporting Issue
Resolved - Exclaimer Engineers have successfully resolved the issue and confirmed that there was no impact preventing signatures from being added.

If you are experiencing any issues with signatures not appearing when expected, please reach out to our support team, who will be happy to assist.
Jan 28, 16:23 UTC
Investigating - Exclaimer Engineers are investigating an issue impacting the reporting of signatures applied through the Exclaimer Add-in or Signature Sync system.
Client-side Signatures will continue to be applied as expected to messages at this time
Jan 27, 15:41 UTC
Jan 27, 2026
Planned Maintenance - Exclaimer Portal
Completed - The scheduled maintenance has been completed.
Jan 27, 19:10 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Jan 27, 18:00 UTC
Update - A correction has been made to the scheduled maintenance time to reflect the correct date of planned work.
Jan 26, 15:26 UTC
Update - We will be undergoing scheduled maintenance during this time.
Jan 26, 15:13 UTC
Scheduled - Exclaimer engineers will be conducting maintenance on the Exclaimer portal (https://portal.exclaimer.com/) to enhance its accessibility and availability for customers worldwide.
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.
Jan 25, 11:39 UTC
Jan 26, 2026
Emails are getting Pending/Defer Status when sending Emails
Resolved - No further issues with mail flow have been identified over the weekend that were caused by this incident. If you are continuing to experience issues with your Exclaimer Subscription, please don't hesitate to reach out, and our team will be more than happy to assist.
Jan 26, 14:33 UTC
Update - We are continuing to monitor for any further issues.
Jan 23, 06:38 UTC
Monitoring - We have confirmed that Microsoft has deployed a fix to address the issue and confirmed resolution for Incident (MO1221364). We are continuing to monitor the service for stability.
Jan 23, 06:32 UTC
Investigating - We are currently investigating an issue affecting email delivery within our Exclaimer services. Email routed through Exchange Online may be impacted due to an ongoing Microsoft incident (MO1221364).
Jan 23, 02:39 UTC
Jan 25, 2026

No incidents reported.

Jan 24, 2026

No incidents reported.

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