What does SMTP Senpai do?
SMTP Senpai is an Italian SMTP relay and transactional email API hosted on EU servers. Websites and applications can connect through SMTP or the documented REST API to send order confirmations, password resets, form notifications and other transactional messages. Public integration guides cover WordPress, WooCommerce and application frameworks; official connectors are also available. The service supports domain authentication with DKIM, delivery statistics and bounce handling. A 14-day free trial is available; paid plans follow. MailSenpai is the related email marketing platform for newsletters and automations, and also publishes free email DNS, blacklist and spam-test tools. Documentation: https://en.mailsenpai.com/smtp-api/ and https://en.mailsenpai.com/integrations/.
Who should use SMTP Senpai?
Developers, ecommerce teams and agencies, website owners are the clearest fit based on how the product is positioned.
Best fit
Pricing: Paid
Platforms: SMTP and REST API, Web
How much does SMTP Senpai cost?
Paid Check the provider’s own page for the latest pricing, packages and terms.
Details, pricing and availability can change. We use provider information, verified owner updates and editorial review where available. Check the provider’s own page before making a purchase, booking or important decision.
Profile last updated 20 Oct 2026.
Sign in to leave feedback and earn community points.
Sign in or join