About Mailgun
Mailgun is a developer-focused email delivery API from Sinch, used by thousands of businesses for sending, receiving, and tracking emails. It offers a powerful API, email validation, inbox placement testing, and excellent documentation. A strong alternative to SendGrid for teams that want granular control.
Reviewed by the FindersList Editorial Team
·Reviewed June 2026
·How we review·Some links may earn us a commissionWhat's Great
- ✓Excellent email validation API
- ✓Inbox placement testing tools
- ✓Good documentation
- ✓EU data center available
Watch Out For
- !Support is slow on lower plans
- !Dashboard UI feels dated
- !Price-per-email adds up quickly
Common Use Cases
1
Developer-built email systems
2
Email validation for sign-up forms
3
EU-compliant email delivery
Pricing Model
Freemium
From $15/mo. Free plan available. Paid plans unlock advanced features.
Category
Transactional Email
Reliable API-driven email for password resets, receipts, and notifications.
Tags
APISMTPemail validationinbox testingdeveloper