Outage in Exclaimer

We are investigating a possible service alert.

Resolved Minor
May 22, 2025 - Started about 1 month ago - Lasted about 4 hours
Official incident page

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Outage Details

We are investigating a possible service alert. Issue: Server-side signatures are causing email delivery delays Symptoms: Users using server-side signature solutions may experience email delay NDR Next Update In: TBC
Components affected
Exclaimer Mail Routing - Office 365 Exclaimer Mail Routing - Office 365
Latest Updates ( sorted recent to last )
RESOLVED about 1 month ago - at 05/22/2025 10:12AM

Our engineering team have been monitoring the issue reported by Microsoft and have noted a complete reduction in the number of messages that are being rejected or deferred by Microsoft relays at this time, indicating that the issue has now been resolved by Microsoft.

If you are continuing to see mail flow issues, please reach out to our Support Team who will be able to assist further

IDENTIFIED about 1 month ago - at 05/22/2025 07:09AM

Update: Exclaimer engineers have confirmed that the reported issue is linked to the ongoing Microsoft service alert EX1079935, which is currently impacting the AU region only at this time.

You can view the Microsoft service alert here:
Microsoft Service Health Dashboard – EX1079935
http://admin.microsoft.com/Adminportal/Home?ref=/servicehealth/:/alerts/EX1079935

Next Update: To be confirmed (TBC)

INVESTIGATING about 1 month ago - at 05/22/2025 06:06AM

We are investigating a possible service alert.

Issue: Server-side signatures are causing email delivery delays

Symptoms: Users using server-side signature solutions may experience email delay NDR

Next Update In: TBC

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