# Mailgun Driver

Mailgun is an API-based service. To use it, you’ll need:

1. **Mailgun domain** – The custom domain/subdomain you set up on Mailgun, along with valid DNS records.
2. **Mailgun secret** – [Domain API key](https://help.mailgun.com/hc/en-us/articles/203380100-Where-Can-I-Find-My-API-Key-and-SMTP-Credentials-)
3. **Mailgun endpoint** – Typically `api.mailgun.net` for US or `api.eu.mailgun.net` for EU.