Engage Analytics emails being quarantined by Microsoft Defender (AU, US, EU)
Monitoring - Exclaimer Engineers, in cooperation with Microsoft, have been able to update their detection system to prevent our analytic links from being incorrectly identified as phishing. This change should complete replication through Microsoft 365 over the next 24 hours.

Customers who have disabled analytics within the Exclaimer Portal can look to enable the Analytics feature within the Exclaimer Portal or contact Exclaimer Support for assistance if needed.

We will provide another update tomorrow or when more information is available.
Jul 01, 2026 - 10:13 UTC
Update - Our engineers are continuing to engage with Microsoft regarding this issue and escalating to highest priority. This is only affecting mail flow of customers that are using the Engagement analytics feature. Customers can disable the Analytics feature within the Exclaimer Portal manually or contact Exclaimer Support for assistance.
Jun 29, 2026 - 12:11 UTC
Update - Our engineers have escalated the urgency of this with Microsoft and continue to push for updates as soon as possible.
Jun 24, 2026 - 12:51 UTC
Identified - Customers in the AU and US may experience issues with emails being quarantined by Microsoft defender due to false positive phishing detection.
Our engineers are working with Microsoft to have the domain reputation cleared as soon as possible.
Jun 23, 2026 - 16:33 UTC
Uptime over the past 90 days. View historical uptime.
Australia Degraded Performance
90 days ago
99.99 % 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
99.9 % uptime
Today
AU: UI: New Customer Onboarding Operational
90 days ago
100.0 % uptime
Today
AU: Analytics: Click Tracking Degraded Performance
90 days ago
100.0 % uptime
Today
AU: Feedback Operational
90 days ago
100.0 % uptime
Today
Canada Operational
90 days ago
99.99 % 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
99.9 % 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 Degraded Performance
90 days ago
99.99 % 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
99.9 % uptime
Today
EU: UI: New Customer Onboarding Operational
90 days ago
100.0 % uptime
Today
EU: Analytics: Click Tracking Degraded Performance
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
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
99.9 % 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
99.99 % 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
99.9 % 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
99.99 % 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
99.9 % 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 Degraded Performance
90 days ago
99.99 % 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
99.9 % uptime
Today
US: UI: New Customer Onboarding Operational
90 days ago
100.0 % uptime
Today
US: Analytics: Click Tracking Degraded Performance
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
Jul 2, 2026

No incidents reported today.

Jul 1, 2026
Issues processing messages within the UK region
Resolved - The issue is now resolved and the all mail flow processing is operational
Jul 1, 15:41 UTC
Monitoring - Exclaimer engineers have applied a fix to address the issue, ensuring no further messages will be affected. Any messages that were impacted would have been deferred for delivery and would be sent rather than failing to be delivered entirely.

We will continue to monitor and provide further updates in the next hour.
Jul 1, 12:10 UTC
Identified - Exclaimer engineers are aware of an issue where messages within the UK may be impacted and fail to be delivered at this time.

The team is actively working to address the issue
Jul 1, 11:45 UTC
Jun 30, 2026
Issues purchasing Exclaimer through Microsoft Marketplace
Resolved - Customers are now able to purchase and set up via Microsoft marketplace again. There was a latent configuration issue within our Microsoft tenant that only became a problem recently. We are still investigating what changed Microsoft side that lead to this becoming an issue.
Jun 30, 14:53 UTC
Identified - Exclaimer is aware of an issue that may cause problems when attempting to purchase and set up Exclaimer Cloud via the Microsoft Marketplace at this time.
Starting a Trial, or purchasing through an authorized reseller or directly from Exclaimer, is working as expected.

More information will be provided once it is available.
Jun 25, 16:48 UTC
Jun 29, 2026
Mail not being processed in primary data centers
Resolved - The incident has been resolved by our engineers and mail routing is operational across all regions. Customers may have experience mail delivery delays but these would have been delivered following retries.
Jun 29, 08:51 UTC
Monitoring - We have mitigated the issue and mail flow is working again in all regions. We are monitoring now to ensure this has resolved the issue.
Jun 29, 08:26 UTC
Identified - Our engineers have identified the issue and are mitigating. Customers may still experience delays in mail delivery
Jun 29, 08:00 UTC
Investigating - We were alerted to an issue with mail flow in our primary data centers. Our engineers are currently investigating and trying to resolve asap
Jun 29, 07:35 UTC
Jun 28, 2026

No incidents reported.

Jun 27, 2026

No incidents reported.

Jun 26, 2026

No incidents reported.

Jun 25, 2026
Jun 24, 2026
Jun 23, 2026
Images not appearing in signature tests.
Resolved - This incident has been resolved. Web-hosted images in the signature editor are now loading correctly across all regions.
A recent update to the cloud UI's Content Security Policy inadvertently restricted external image sources, causing hosted images to fail to display. The policy has been updated to allow the required image sources, and the fix has been deployed to all production regions. We're monitoring to confirm stability.
We apologize for any disruption this caused.
Jun 23, 08:01 UTC
Investigating - Exclaimer engineers are aware of an issue causing some images not to appear within the signature tester result when a test is run.
The same images appear as expected in the signature designer and in live messages.

There is no impact on email signatures, as these images are applied as expected.
Jun 22, 19:01 UTC
Jun 22, 2026
Jun 21, 2026

No incidents reported.

Jun 20, 2026
Scheduled maintenance on Exclaimer Portal
Completed - The scheduled maintenance has been completed.
Jun 20, 12:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Jun 20, 10:00 UTC
Update - We will be undergoing scheduled maintenance during this time.
Jun 19, 08:30 UTC
Scheduled - Exclaimer engineers will be conducting routine 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.
Jun 12, 14:37 UTC
Jun 19, 2026

No incidents reported.

Jun 18, 2026

No incidents reported.

← Incident History Powered by Atlassian Statuspage