MailKite Server vs OpenSend
MailKite Server
mailkite.devOpenSend
opensend.namuh.coSide by side
| Figure | MailKite Server | OpenSend |
|---|---|---|
| Price from | Free | $10/mo |
| Free plan | Yes | — |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| API | Yes | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 1 | 5 |
| Spec score · Email APIs | 8.4 (#8) | 7.3 (#25) |
| Company | MailKite is a business name of SendHub LLC, whose listed address is 30 N Gould St #59709, Sheridan, Wyoming 82801, USA. | The homepage says OpenSend is built by Jaeyun Ha and Ashley Ha. |
| Integrations | MailKite lists official SDKs for Node.js, Python, Ruby, Go, PHP, Java, C#, and Rust, plus a CLI, an MCP server, and SMTP relay integrations. | The self-hosting guide documents AWS SES/SNS, PostgreSQL, Redis, S3, Cloudflare DNS automation, and Google OAuth configuration. |
| Security | Server components use HMAC-authenticated HTTP endpoints, and inbound webhook deliveries are signed and retried. | Dashboard and API routes are tenant-scoped through Better Auth organizations and server-side ownership checks. |
| Support | The self-hosted server page directs users to GitHub discussions and setup documentation; it describes human support as a MailKite Cloud offering. | The Free and Lite plans include community support, Starter has email support with a 48-hour response target, and Growth has priority support with a 12-hour target. |
Plans
OpenSend
- Lite$10 a month
- Starter$19 a month
- Growth$99 a month
- FreePrice not published
- ScalePriced on request
In their own words
MailKite Server
MailKite Server has no write-up on Specifiction yet; its figures are above.
OpenSend
OpenSend has no write-up on Specifiction yet; its figures are above.