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.
Rather than just take our word for it, listen to what actual SMTPServer users have to say about the service.
Integrate in 5 Minutes with our simple SMTP relay or choose from our many flexible APIs: SMTP API, Web API, and more.
Actionable Real-time Analytics allow you to drive solid business decisions with precise analytics on your transactional and marketing email campaigns.
Secure, Encrypted Delivery via TLS encryption that protects your mail from interception/modification by a passive adversary.
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
Proven Deliverability
We offer domain authentication, compliance and deliverability coaching, and proactive ISP outreach to ensure you achieve optimal inbox delivery.
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.
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