Emails from Auth0 Applications Marked as Spam

Knowledge Articles
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Last Updated: Sep 4, 2024

Overview

Some email clients are flagging messages coming from Auth0 applications as spam.

Applies To

  • Emails
  • Troubleshooting

Cause

This issue could be due to the domain being on a denylist or email provider issues.

Solution

Troubleshooting steps:

  • Check logs for failed email by searching for:
    • fn
    • fv
  • Check Email provider settings.
  • Check headers with MX Toolbox (it could be on a denylist).

If the email provider is other than Auth0, please contact the Email Provider Support team.