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turboSMTP

Professional SMTP service for transactional and newsletter email delivery

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turboSMTP is an SMTP relay and email API service operated by Edisplay srl in Milan, Italy, founded in 2009. It handles the sending of transactional and marketing emails, providing authenticated relays, delivery tracking, and support for applications and campaigns.

The service offers SMTP relay and REST API endpoints with SPF/DKIM authentication, real-time open and click tracking, bounce and unsubscribe management, webhooks, custom tracking domains, smart routing, and an email validation tool. An integrated email marketing tool supports campaign design and sending from the dashboard, alongside an AI-optimized template editor. Subaccounts and a white-label system are available, and support is provided via chat, ticket, and phone.

Plans are available in Free, Basic, Pro, and Enterprise editions, with volume-based monthly allocations and a pay-as-you-go prepaid credit option. A free plan is offered for testing and small senders, and a money-back guarantee applies within a limited window.

12 alternatives to turboSMTP

Ranked by how well each tool replaces turboSMTP: shared features, audience, price and popularity.

  1. SMTP.com

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    Covers 3 of 15 key features.

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  3. Mailgun

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  4. Maileroo

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  5. SMTP2GO

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    Covers 1 of 15 key features and starts cheaper.

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  6. Mailchimp

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  7. MailerSend

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  8. Postmark

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  9. Resend

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  10. Simply Send

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    Covers 3 of 15 key features and starts cheaper.

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  11. UniOne

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  12. AuthSMTP

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    Covers 0 of 15 key features and starts cheaper.

    61 out of 100 match$6/mo