Posta
6.2#28 in transactional email softwareFree planFree planWebAPISelf-hosted
VisitPosta vs turboSMTP
What both publish
| Fact | Posta | turboSMTP |
|---|---|---|
| Integrations | The maker lists official SDKs for Go, PHP, Java, and .NET, plus Prometheus integration and OAuth/SSO providers including Google, Keycloak, and authentik. | A Zapier app launched with Send Email and Find Email Status actions for connecting CRMs, forms, spreadsheets and other Zapier applications. |
Posta plans
- Self-hosted, AGPL-3.0Free
turboSMTP plans
- FREEFree
- BASIC€14.95 a month
- Silver€49, paid once
- PRO€79.95 a month
- Gold€92, paid once
- Resell€270, paid once
Pick Posta if…
Posta suits teams that want to operate email delivery on their own infrastructure and need both outbound and inbound email. It may also suit developers looking for an HTTP API, SMTP relay, templates, and event webhooks.
Pick turboSMTP if…
turboSMTP suits businesses and developers sending transactional email or newsletters. Its API, marketing dashboard, and WordPress plugin offer options for different email workflows.