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Email: SMTP

When to use SMTP

Use SMTP when integrating with an existing mail relay or provider that exposes authenticated SMTP endpoints.

Required settings

  • SMTP host,
  • port,
  • username and password,
  • sender address,
  • TLS/SSL mode.

Example configuration

Configure values through environment variables for production environments and rotate credentials regularly.

Testing email delivery

  • test connection and send action in settings,
  • verify TLS mode and firewall egress access,
  • inspect server logs for authentication or relay errors.