Update - We are continuing to monitor for any further issues.
Jan 23, 2026 - 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, 2026 - 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, 2026 - 02:39 UTC
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
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
Resolved -
This incident has been resolved, and a Postmortem will be provided shortly.
Jan 19, 20:56 UTC
Monitoring -
After monitoring mail flow through Exclaimer, we have confirmed there's been no further messages reported as blocked due to the Spamhaus Blocklist since 14:53GMT.
Exclaimer Engineers have reached out to Spamhaus to discuss the issue at this time and to obtain more information on the resulting action that added this IP to the blocklist.
Jan 9, 16:32 UTC
Investigating -
Exclaimer Engineers are aware of an ongoing issue where one of our Server IPs looks to have been added to the Spamhaus eXploits Blocklist on multiple occasions.
Spamhaus is advising that the IP has already been removed from the List. Our engineering team is currently investigating the issue for more information.
Jan 9, 14:51 UTC