Cloud Console
Send Hanko Emails with your own SMTP Server
Learn how to set up a custom SMTP server to send Hanko emails through your own SMTP server.
Hanko Custom SMTP Guide
About Hanko: Hanko is a passwordless authentication solution that provides modern, secure authentication flows including passkeys, email-based logins, and social authentication. It offers both hosted (Hanko Cloud) and self-hosted options, with comprehensive SDKs for seamless integration.What This Guide Covers: This guide demonstrates how to configure your own SMTP server to send authentication emails through Hanko. You’ll learn to replace Hanko’s default email delivery with your custom SMTP provider for better brand consistency and email deliverability control.Key Technologies:- SMTP Protocol
- Email Service Providers (Resend, SendGrid, etc.)
- Hanko Cloud Console
- DNS Configuration
- Email Authentication (SPF, DKIM)
- Hanko Pro or Enterprise plan subscription
- SMTP server credentials from your email provider
- Basic understanding of email server configuration
- Access to Hanko Cloud Console
- Gather SMTP server credentials from your provider
- Configure custom SMTP settings in Hanko Cloud
- Test email delivery functionality
- Verify email authentication and deliverability
- Monitor email sending performance
Custom SMTP server is available in Hanko Pro and Enterprise plans. Check out our pricing page for more information.
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Gather SMTP server credentials from your email provider. You’ll need the following information:
- Host (SMTP server address)
- Port (typically 587 for TLS or 465 for SSL)
- Username (often your email address)
- Password (or API key for some providers)
- Sender email address (must be verified with your provider)
- Access your project settings by logging into Hanko Cloud and selecting your project.
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Navigate to email configuration at
Settings > Email. -
Configure your SMTP server by enabling the Custom SMTP Server option, entering your credentials, and clicking
Save.