Siptel SMTP - Professional Email Delivery

Deploy on your own servers. No vendor lock-in, no data sharing with third parties.

Built on Haraka, a high-performance SMTP server handling thousands of concurrent connections.

Real-time delivery tracking, bounce handling, and detailed reporting for all your emails.

Use standard SMTP or our REST API. Integrate with any application in minutes.

Serve unlimited customers from a single deployment with complete data isolation.

Pay only for what you use. No hidden fees. Significantly cheaper than SendGrid or Mailgun.