How to Build an Email System with Resend

Create beautiful transactional emails with Resend's developer-friendly email API

Intermediate
2-4 hours

Prerequisites

Before you begin, make sure you have the following ready.

Resend account
Domain for sending
Application to integrate

What You Will Build

A transactional email system with templates, delivery tracking, and React Email support

Key Features

Developer-friendly API
React Email support
Delivery tracking
Domain authentication
Webhooks

Step-by-Step Tutorial

Follow these steps to build your with .

1

Set up Resend

Create account and verify your sending domain

2

Create email templates

Build templates with React Email or HTML

3

Integrate the API

Add Resend SDK to your application

4

Send your first email

Test email delivery with your templates

5

Monitor delivery

Track opens, clicks, and delivery status

Common Mistakes to Avoid

Not verifying domain
Missing SPF/DKIM
No error handling

Next Steps

Once you have completed this tutorial, consider these enhancements.

Add email analytics
Create more templates
Set up webhooks

Learn More

Build It Faster at Buildday Melbourne

Build email systems at Buildday Melbourne

Join our hands-on workshop and get expert guidance while building your project in a single day.