Hyvor Relay vs MailsSetu
Hyvor Relay
relay.hyvor.comMailsSetu
app.mailssetu.inSide by side
| Figure | Hyvor Relay | MailsSetu |
|---|---|---|
| Price from | €30/mo | ₹399/mo |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| API | Yes | Yes |
| Self-hosted | Yes | — |
| Plans published | 3 | 4 |
| Spec score · Transactional Email Software | 8.7 (#6) | 8.2 (#17) |
| Spec score · Transactional email services | 8.5 (#14) | 7.8 (#28) |
| Headquarters | Paris, France | Mumbai, Maharashtra, India |
| Integrations | The self-hosting guide lists built-in Prometheus, Grafana, and Alertmanager integrations for monitoring and observability. | Official SDKs are listed for Node.js/TypeScript, Python, PHP, Go, Java, Ruby, and .NET, alongside framework and platform guides. |
| Product | Hyvor Relay is an open-source, self-hostable email API designed for developers. | MailsSetu is a developer-first transactional email API and SMTP platform for production messaging. |
| Security | The hosting documentation says its HTTP server has built-in application-layer rate limiting and recommends cloud-provider DDoS protection for network-layer attacks. | The security page describes scoped, rotatable API keys, server-side credential use, CSRF protection, key hashing, and signed webhook deliveries. |
| Webhooks | Real-time event webhooks report deliveries, bounces, domain verifications, and other events. | MailsSetu supports event webhooks for delivery, open, click, bounce, and complaint events, with endpoint management, secret rotation, and failure replay. |
Plans
Hyvor Relay
- Enterprise License€10,000 a year
- Cloud Standard€30 a month
- Self-Hosted Open-SourceFree
In their own words
Hyvor Relay
Hyvor Relay has no write-up on Specifiction yet; its figures are above.
MailsSetu
MailsSetu has no write-up on Specifiction yet; its figures are above.