Contact Form Worker

A Cloudflare Worker that handles contact form submissions and sends emails using Cloudflare Email Routing.

Features

• Receives contact form submissions via POST requests
• Validates required fields (name, email, message)
• Sends formatted emails to multiple recipients
• CORS-enabled for cross-origin requests
• Built with Cloudflare Workers and Email Routing

Setup

Prerequisites

• Node.js and npm installed
• Cloudflare account
• Wrangler CLI installed (npm install -g wrangler)

Installation

1. Clone the repository:

git clone <repository-url>
cd email

2. Install dependencies:

npm install

3. Configure your email addresses in wrangler.toml:

[[send_email]]
name = "CONTACT_EMAIL"
allowed_destination_addresses = [
  "your-email@domain.com",
  "another-email@domain.com"
]

4. Update the sender address in src/index.js:27:

msg.setSender({ name: "Contact Form", addr: "contact@yourdomain.com" });

Development

Run the worker locally:

npm run dev

Deployment

Deploy to Cloudflare:

npm run deploy

View live logs:

npm run tail

API Usage

Endpoint

POST /

Request Body

{
  "name": "John Doe",
  "email": "john@example.com",
  "company": "Example Corp (optional)",
  "message": "Your message here"
}

Required Fields

• name: Sender's name
• email: Sender's email address
• message: Message content

Optional Fields

• company: Sender's company name

Response

Success (200):

{
  "success": true,
  "message": "Email sent successfully"
}

Error (400/500):

{
  "error": "Error message",
  "details": "Additional details"
}

Configuration

wrangler.toml

Key configuration options:

• name: Worker name
• compatibility_date: Cloudflare Workers compatibility date
• compatibility_flags: Enable Node.js compatibility with ["nodejs_compat"]
• send_email: Email routing configuration

Email Recipients

Email recipients are configured in two places:

1. Allowed destinations in wrangler.toml (security whitelist)
2. Actual recipients in src/index.js:30-31 using msg.setRecipient()

Both must be configured for emails to be delivered.

Dependencies

• mimetext: MIME message creation for email formatting
• wrangler: Cloudflare Workers CLI tool

Security

• Only accepts POST requests
• Validates all required fields before processing
• Email destinations are whitelisted in configuration
• CORS headers can be configured for specific domains