Is Campaignmonitor Down?

We have completed our scheduled maintenance. Emails that were queued to send during the maintenance window may have been delayed. Users may temporarily see some residual slowness in the app. To be notified of future status and maintenance updates, please subscribe. --- [2026-11-08T04:45:00] The maintenance task is now done and we are currently verifying that everything is working as expected before resolving the status page. Thanks for your patience. To be notified of future status and maintenance updates, please subscribe. --- [2026-11-08T04:00:00] We will be undergoing scheduled maintenance on Sunday, Nov 8, 2026 4:00 am UTC (see your timezone here). The maintenance is expected to last approximately 2 hours. Customers may experience interruptions when logged into their account. Emails scheduled to be sent may be delayed. We encourage you to share this information with any additional users of your account who may not see this message. To be notified of future status and maintenance updates, please subscribe.

<p>We're closing out this issue as our deliverability team has confirmed that bounce rates to Microsoft domains have stabilized within a normal, expected range, and we are no longer seeing the elevated bounce volumes associated with this issue.</p><p>As a reminder, this was a receiver-side issue on Microsoft's end throughout, and was not related to your account, your sending, or our platform. We'd like to thank you for your patience while this was resolved on Microsoft's side.</p><p>If you are still seeing elevated bounces to Microsoft-domain subscribers, please reach out to our support team so we can investigate further.</p>

<p>We know this issue has now been ongoing for an extended period, and we appreciate your patience while it continues to affect email delivery to Microsoft domains.</p><p></p><p>To be clear, this remains a receiver-side issue on Microsoft's end — it is not related to your account, your sending, or our platform. Our deliverability team continue to be in contact with Microsoft as they work through this on their side.</p><p></p><p>In terms of current state: bounce volumes related to this issue have continued to decline over the past week, and are currently at their lowest point since the issue began. That said, rates are still fluctuating, and some customers may continue to experience bounces to Microsoft domains intermittently. We are not yet in a position to mark this issue as resolved, and we're continuing to monitor closely as delivery recovers further.</p>