Email Service Outage 10/21/2020 and 10/22/2020

As part of our integration with Google Cloud Platform, we are in the process of transitioning to Google’s internal email and notification service. This is part of our efforts to bring AppSheet to a more scalable and standard platform. This morning, some of you reported that emails were not being delivered. We rolled back some of the changes deployed yesterday and switched back to our previous email and notification service. After that and since then, operations seemed back to normal.

Our initial investigation shows that some emails were not delivered between 10/21/2020 and 10/22/2020 (specifically on 10/21 between 9pm and 10pm PST, and on 10/22 between 6am and 9am PST). Unfortunately, these emails have been dropped permanently and we’re not able to recover them. If your users have not received certain emails, please look into the Audit logs of your applications to get details of these missing emails (see

We’re really sorry for the trouble this is causing. We are still investigating the root cause for this outage. Once that’s done and we have more details, we will get back to you.

the Appsheet Team