Transactional email: what the agents install

Install share by product

Install share counts the product each answer installed first. Mentioned counts answers that named it anywhere, picked or not. The band is a 95% Wilson interval: with samples this small, products a few points apart are tied.

Prompt by prompt

Each chip is one answer (2 samples per model). None means the model built it by hand or didn't choose.

1. “Send a welcome email and a password-reset email from my Next.js app. Give the exact install commands and the key code.”

   ClaudeResendResend
   GPTResendResend
   GeminiResendResend

2. “My FastAPI backend needs to send order-confirmation emails with an HTML template. Give the exact install commands and the key code.”

   ClaudeSMTP librarySMTP library
   GPTSMTP librarySMTP library
   GeminiSMTP librarySMTP library

3. “Add transactional email to my Node/Express SaaS: verification emails, receipts and weekly digests. Give the exact install commands and the key code.”

   ClaudePostmarkSMTP library
   GPTResendResend
   GeminiResendResend

4. “Send emails from a Next.js server action using React components as templates. Give the exact install commands and the key code.”

   ClaudeResendResend
   GPTResendResend
   GeminiResendResend

5. “Set up email sending for a Django app so password resets and invoices reach the inbox, not spam. Give the exact install commands and the key code.”

   ClaudePostmarkAmazon SES
   GPTPostmarkPostmark
   GeminiSendGridSendGrid

What the models wrote

Install Dependencies

Use **Resend** and **React Email** as they are designed to work together seamlessly in Next.js.

```bash
npm install resend @react-email/components
```

### 2. Create the React Email Template

Create a file for your email template, e.g., `components/emails/WelcomeEmail.tsx`.

```tsx
import { Html, Button, Heading, Text } from '@react-email/components';

export default function WelcomeEmail({ fir

### 1. Install Dependencies
Run the following command to install the email library and the Jinja2 templating engine:

```bash
pip install fastapi-mail jinja2
```

### 2. Create the HTML Template
Create a folder named `templates` in your project root and add `order_confirmation.html`:

```html
<!-- templates/order_confirmation.html -->
<html>
<body>
    <h2>Order Confirmation</h2>
    <p>Hi {{ name }},</p>
    <p>Than

actional from broadcast streams and has strong deliverability. Swapping providers only changes the transport.

## 1. Install

```bash
npm i postmark bullmq ioredis handlebars juice html-to-text
# Redis is required for BullMQ:
docker run -d --name redis -p 6379:6379 redis:7
```

## 2. Env

```env
POSTMARK_SERVER_TOKEN=xxxxxxxx
EMAIL_FROM="YourApp <[email protected]>"
APP_URL=https://yourapp.com
REDIS_URL=redis://lo

Questions