Accounts Created through Heroku experiencing Single Sender Verification Enforced where it Previously was not

Sendgrid Outgoing Mail Gateway 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 5, 16:20 PDT
Resolved - Our engineers have monitored the fix and confirmed the issue with Single Sender Verification on accounts created through Heroku has been resolved. All services are now operating normally at this time.

May 5, 15:47 PDT
Monitoring - Our engineers have implemented a fix and are monitoring system performance. We will provide another update in within 30 minutes or as soon as more information becomes available.

May 5, 14:55 PDT
Update - Our engineers continue to work towards a fix for this issue. We will provide another update within two hours or as soon as more information is available.

May 5, 13:56 PDT
Update - We are continuing to work on a fix for this issue. We will provide another update within an hour or as soon as more information becomes available.

May 5, 12:58 PDT
Identified - Beginning at 12:30 PM PT on May 5, 2022 our engineers began investigating an issue where accounts created through Heroku were seeing Single Sender Verification enforced where it previously was not. Customers who are impacted by this issue will receive the following error when attempting to send "The from address does not match a verified Sender Identity. Mail cannot be sent until this error is resolved. Visit https://sendgrid.com/docs/for-developers/sending-email/sender-identity/ to see the Sender Identity requirements". At this moment, customers can workaround this error by setting up Domain Authentication for the sending domains. We have identified the cause of the issue and are working on a fix. We'll provide another update within 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.

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