> For the complete documentation index, see [llms.txt](https://docs.emaildelivery.com/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.emaildelivery.com/docs/introduction.md).

# Introduction

- [Backend, Frontend, Customers, Users](https://docs.emaildelivery.com/docs/introduction/backend-frontend-customers-users.md)
- [What you can do in the emaildelivery.com backend](https://docs.emaildelivery.com/docs/introduction/what-you-can-do-in-the-emaildelivery.com-backend.md)
- [Getting ready to send](https://docs.emaildelivery.com/docs/introduction/getting-ready-to-send.md)
- [Understanding the 'White Label Tracking Link'](https://docs.emaildelivery.com/docs/introduction/understanding-the-white-label-tracking-link.md)
- [Connect SMTP Relay](https://docs.emaildelivery.com/docs/introduction/connect-smtp-relay.md)
- [Connect Mailgun API](https://docs.emaildelivery.com/docs/introduction/connect-mailgun-api.md)
- [Connect Sparkpost API](https://docs.emaildelivery.com/docs/introduction/connect-sparkpost-api.md)
- [Connect Amazon SES API](https://docs.emaildelivery.com/docs/introduction/connect-amazon-ses-api.md)
- [Postal Routes](https://docs.emaildelivery.com/docs/introduction/postal-routes.md)
- [Send a test message](https://docs.emaildelivery.com/docs/introduction/send-a-test-message.md)