Anyone else having issue with the Passwordless Code emails not getting sent to the user? We are suddenly having issues in all of our tenants for all users. When I check the Auth0 log I get an error that says “Failed Sending Notification” and “Invalid login: 535 Incorrect authentication data”.
It sounds as if the mail provider configuration might have a problem, and so Auth0 can’t connect to the SMTP service.
Check the configuration, including API keys/username/passwords, and try the configuration using the “Test” button directly.
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