Single Shared IP Pool Deferrals with Microsoft Domains

Original incident notification from SendGrid
These maintenances affect outgoing email on the Zenith Media Canada Network of servers, all outgoing email unless configured by the client to do otherwise rely on the smart host gateway of SendGrid.

May 24, 17:57 PDT
Resolved - Our engineers have monitored the fix and confirmed the issue has been resolved. All services are now operating normally at this time.

May 24, 17:26 PDT
Monitoring - Our engineers have implemented a fix and are monitoring system performance. We will provide another update shortly.

May 24, 17:18 PDT
Identified - Our engineers have identified the issue and are working toward a fix. We will provide another update in an hour or as soon as more information becomes available.

May 24, 16:45 PDT
Investigating - Engineers have begun investigating an issue with delivery to Microsoft from one of our shared IP pools which began on 5/22/2021 at 9:00 AM PDT. A subset of customers may be experiencing deferrals to Microsoft domains. We will provide another update in an hour or as soon as more information becomes available.

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Have an issue thats being affected by this maintenance? Open a Ticket and we can help you find a solution.