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Emails suddenly not being sent


This morning I have suddenly stopped receiving any auth0 emails during signup, password change etc.

Even if I use the “Send test email” function it returns a 200, and there are no failed notification errors in the logs but the email is not being sent to AWS.

I have an AWS email provider configured and if I look at the dashboard in AWS they have not received any email requests from auth0 for the day.


I switched over to using an SMTP provider with AWS instead of just the default AWS SES provider and it worked. Strange that I’ve had no problems with the previous mechanism for quite some time.