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Send 100 emails/day free forever

SMTPServer is one of the world's largest email infrastructure as a service provider. We send over 50 billion non-spam emails a month for over 8,000 paying customers including technology leaders all over the world.

Exclusively designed for professionals

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Rather than just take our word for it,
listen to what actual SMTPServer users have to say about the service.

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Integrate in 5 Minutes with our simple SMTP relay or choose from our many flexible APIs: SMTP API, Web API, and more.

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Actionable Real-time Analytics allow you to drive solid business decisions with precise analytics on your transactional and marketing email campaigns.

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Secure, Encrypted Delivery via TLS encryption that protects your mail from interception/modification by a passive adversary.

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Industry-Leading Live Customer Support available for free online chat weekdays 6am-6pm (GMT) with critical incident support available 24×7, 365 days a year.

The SMTPServer Difference

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Proven Deliverability

We offer domain authentication, compliance and deliverability coaching, and proactive ISP outreach to ensure you achieve optimal inbox delivery.
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Scale With Confidence

With SMTPServer, you have an expert in your corner. Our Customer Success and Support Teams give you the information and guidance you need, when you need it.
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Email Expertise

Secure, Encrypted Delivery via TLS encryption that protects your mail from interception/modification by a passive adversary.

Contact us to learn more about our high-volume pricing

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