How to Configure Mailgun for Your Platform

Mailgun is a powerful, developer-friendly email delivery platform. Many platforms allow you to connect Mailgun using just two key fields: Domain and API Secret. Follow this guide to set it up in minutes.

Prerequisites

A Mailgun account (Free or Paid).
A domain name you own.
Access to your domain's DNS settings.

Step 1: Account Access

Step 2: Add & Verify Domain

In the dashboard, go to Send → Sending → Domains. Click Add New Domain.

Enter your domain (e.g., mg.yourdomain.com).
Add the provided TXT and CNAME records to your DNS provider (Cloudflare, GoDaddy, etc.).
Wait for the status to turn Active.

✅ Copy this domain for the "Domain" field

Step 3: Generate API Secret

Navigate to API Security under your profile settings.

Click Add new key.
Set the role to Admin.
Copy the key immediately (starts with key-).

⚠️ Security Notice: Your API Secret is shown only once. If you lose it, you must delete the key and create a new one.

Mailgun Pricing Plans (2026)

Plan	Price	Included Emails	Best For
Free	$0	100 / day	Development
Basic	$15	10,000 / mo	Startups
Foundation	$35	50,000 / mo	Growth
Scale	$90	100,000 / mo	Enterprise

🚀 Pro Tips for Success

Subdomains: Use a subdomain like mail.domain.com to keep your main domain's reputation safe.
Sandbox Mode: Use the default sandbox domain for initial testing without DNS setup.
Deliverability: Complete SPF and DKIM verification to ensure your emails don't hit the spam folder.