Maileroo
Email infrastructure platform offering SMTP relay, email verification, and marketing tools for developers and businesses.
| What is it | Email infrastructure platform offering SMTP relay, email verification, and marketing tools for developers and businesses. |
|---|---|
| Pricing | Freemium |
| Free tier | Yes |
| Platform | Web Application |
| API | Yes |
| Works with | Make, n8n |
| Best for | Sending transactional emails from applications, Cleaning email lists before marketing campaigns |
| Domain registered | 2015 |
Data updated Aug. 1, 2026
What does Maileroo do?
Maileroo is an email infrastructure platform that provides businesses and developers with the tools needed to manage email delivery and marketing. The core service is an SMTP relay that handles both transactional emails (like password resets and order confirmations) and marketing campaigns. It also includes a comprehensive email verification API that checks addresses for deliverability, helping users maintain clean mailing lists and improve sender reputation. The platform offers a WordPress plugin for easy integration and various free tools for email management.
The service works by providing API endpoints and SMTP credentials that developers can integrate into their applications. For email verification, Maileroo analyzes email addresses to detect invalid formats, disposable accounts, and potential spam traps. The platform positions itself as an alternative to services like SendGrid and Mailgun, with a focus on competitive pricing and straightforward integration. Additional features include blacklist monitoring, SPF/DMARC record generators, and an email signature creator.
Maileroo is particularly useful for developers building applications that require reliable email sending, small businesses managing customer communications, and marketing teams running email campaigns. The verification tools help prevent bounced emails and improve deliverability rates, while the marketing platform provides basic campaign management capabilities. The affiliate program and detailed documentation make it accessible for agencies and resellers to incorporate into their service offerings.
Key features
What makes it stand outWho is Maileroo for?
Who benefits most from this toolPricing
Free tier available — start without a credit cardFree
- 3,000 emails
- SMTP Relay
- RESTful API
- Sandbox domain access
- WordPress Plugin
- Email Verification API
- Webhooks
- Developer Docs
- DKIM
- SPF
- DMARC
- Free Dedicated IP Address
- Automatic IP Warmup
- Mail Tester
- Blacklist Monitoring
- Click & Open Tracking
- Email Lifecycle Tracking
- Custom Tracking Domains
- Real-time Analytics
- Detailed Reporting
- Full Message Retention (14 days)
- Logging & Events
- Outbound SMTP Relay
- Inbound Routing
- Template Engine
- Bounce Handling
- Complaint Handling
- Suppression List
- 2FA
- Encrypted Transit
- Help Center
- Email Support
- Live Chat Support
- GDPR Compliance
Trust & presence
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