Best turboSMTP Alternatives in 2026
Updated
20 platforms from transactional email software ranked against turboSMTP on the same published basis.
- 2turboSMTP vs Postmark
- 3turboSMTP vs Twilio Segment
- 4turboSMTP vs Twilio SendGrid
- 5turboSMTP vs MailerSend
- 6turboSMTP vs Mailchimp
- 7turboSMTP vs Nuntly
- 8turboSMTP vs Maileroo
- 9turboSMTP vs Reloop
- 10turboSMTP vs Hyvor Relay
- 11turboSMTP vs Posthawk
- 12turboSMTP vs Mailchimp Transactional (formerly Mandrill)
- 13turboSMTP vs Mailmark
- 14turboSMTP vs Resend Broadcasts
- 15turboSMTP vs Retarus Transactional Email
- 16turboSMTP vs EmailSuccess
- 17turboSMTP vs ReachMail
- 18turboSMTP vs SMTP2GO
- 19turboSMTP vs Mailgun
- 20turboSMTP vs Netcore Email API
- 21turboSMTP vs SocketLabs
turboSMTP alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 2 | Postmark | 7.7 | Free plan | $5/mo | API, Web |
| 3 | Twilio Segment | 7.7 | Free plan | $120/mo | Web, iOS, Android |
| 4 | Twilio SendGrid | 7.6 | Free plan | $19.95/mo | API |
| 5 | MailerSend | 7.5 | Free plan | $5.60/mo | API, iOS, Web |
| 6 | Mailchimp | 7.1 | Free plan | Free | Web, iOS, Android |
| 7 | Nuntly | 7.1 | Free plan | €10/mo | API, Web |
| 8 | Maileroo | 7.0 | Free plan | $10/mo | API, Web |
| 9 | Reloop | 7.0 | Free plan | $10/mo | self-hosted |
| 10 | Hyvor Relay | 6.9 | Free plan | — | API, self-hosted, Web |
| 11 | Posthawk | 6.9 | Free plan | $20/mo | self-hosted |
| 12 | Mailchimp Transactional (formerly Mandrill) | 6.8 | No | $10/mo | Web |
| 13 | Mailmark | 6.8 | No | $10/mo | API, self-hosted, Web |
| 14 | Resend Broadcasts | 6.8 | Free plan | $20/mo | API, Web |
| 15 | Retarus Transactional Email | 6.8 | No | — | API, Web |
| 16 | EmailSuccess | 6.7 | Free plan | Free | Web |
| 17 | ReachMail | 6.7 | Free plan | $8/mo | Web |
| 18 | SMTP2GO | 6.7 | Free plan | $8.33/mo | API, Web |
| 19 | Mailgun | 6.6 | Free plan | Free | Web |
| 20 | Netcore Email API | 6.6 | Free plan | Free | API, Web |
| 21 | SocketLabs | 6.6 | No | $39.95/mo | API, self-hosted, Web |
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Questions about turboSMTP alternatives
What is the best alternative to turboSMTP?
Postmark, number 2 in transactional email software with a score of 7.7 out of 10. The others here: Twilio Segment, Twilio SendGrid, MailerSend and 16 more.
What is the best free alternative to turboSMTP?
Postmark is the best-ranked alternative with a free plan. 16 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on.