Email Delivery & Analytics

Tools to send and monitor, plus humans who care deeply about your success.

Send email with us. Analyze performance of your SendGrid or Mailgun accounts. Or do both.

Quickly integrate with your app to deliver email securely and reliably.

Send email via SMTP or our flexible API, available in C#, PHP, Node.js, Phython, GoLang, Java, and Ruby

Reliable Cloud Email Delivery

Send from the cloud via SMTP or use our API code library to deliver more email with less complexity. Our pricing options are affordable and flexible to match your budget.

Tools to Identify & Fix Delivery Issues Quickly

Understand what’s impacting your email performance and why, plus identify how to improve — even if you’re using SendGrid or Mailgun.

Use Spotlight analytics to monitor every mail stream with StreamScores for each sending domain to give you a rapid sense of your program health. Dip into problem accounts in just a few clicks to diagnose and solve deliverability issues.

When you need the reliability and security of an on-premises MTA, our Hurricane MTA is a long-trusted solution.

Hurricane MTA for Secure Sending

Need even more reliability and security? Our Hurricane on-premises MTA is for you. You can enjoy the same sending tools as our cloud platform, while also experiencing the peace of mind of having your servers close to home.

Hurricane can be licensed and configured to fit your email volume and needs, making it a highly customizable and dependable solution.

The Total Package

Unlike other ESPs, we really mean it. You’ve got the email. We’ve got infrastructure, data, tools, and the know-how. Let’s combine forces.

See Why Our Customers Agree!

“Our senders now have more control. If they need to set up another user who's a developer, they have the tools to do it available to them and we are no longer a bottleneck to their success.”
Eric J. Frahm
Manager, Internet Communication, University of Illinois Urbana-Champaign
"We've been working together for at least 8 years, and we wouldn't trust anybody else with our email delivery."
Lindsay Willott
CEO, Customer Thermometer
"We’ve finally found a team of professionals that is capable of providing infrastructure that fits our very dynamic email sending needs. Their proactive support is unparalleled and it truly feels like having a reliable business partner on our side."
Benedikt Deicke
Co-founder, Userlist

From the Lab