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Prerequisites

To get the most out of this guide, you’ll need to:

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1. Get the Emailr SMTP credentials

When configuring your SMTP integration, you’ll need to use the following credentials:
  • Host: smtp.emailr.dev
  • Port: 465 or 587 (see port options below)
  • Username: emailr
  • Password: YOUR_API_KEY

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Port options

Emailr supports multiple ports for different security configurations:
TypePortSecurity
SMTPS465, 2465Implicit SSL/TLS (Immediately connects via SSL/TLS)
STARTTLS25, 587, 2587Explicit SSL/TLS (First connects via plaintext, then upgrades to SSL/TLS)
For Auth0, we recommend using port 465 (SMTPS) or 587 (STARTTLS).

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2. Integrate with Auth0 SMTP

After logging into your Auth0 dashboard, you’ll need to enable the SMTP integration.
  1. From your Auth0 dashboard, go to Branding > Email Provider.
  2. Enable the Use my own email provider toggle.
  3. Select SMTP Provider.
  4. Enter a From email address, and then enter the Emailr SMTP server’s Host, Port, Username, and your API key as the Password.
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3. Send a test email

Once you have configured the SMTP settings, click Save. Next send a test email using the Send Test Email button. If everything is configured correctly, you will receive a confirmation email. If you did not receive an email, check your Auth0 Logs.