Battle-tested email infrastructure used by the world's largest senders

Delivered Your Way: On-Premises or Fully Managed Service

You need email infrastructure that Just Works. At GreenArrow, we take pride in creating software so reliable, our customers can take it for granted. You’ll choose to stay with us because we partner in your success - from inception to production and beyond.
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Trusted by:

Klaviyo
Vero
MailerLite
TinyEmail
Zeta Global

Why our customers love working with us

“Their deliverability, their integration abilities, customization, especially for the price is above and beyond what we were expecting.”

Marcus Bointon

Synchromedia
“Working with the GreenArrow team has been an absolute treat”

John Moody

Klaviyo
“GreenArrow deeply understands deliverability and email infrastructure. Every interaction has involved someone who clearly knows their domain.”

Mike Arsenault

Queen One / Rejoiner
“It’s really a unique experience to work with such a knowledgeable and hands-on team with a system that performs really well. It’s been great to partner with GreenArrow.”

Reba Moyes

Vero
More success stories
Why GreenArrow?

Our Solutions

GreenArrow’s premium, high-performance solutions and unmatched support team can help you grow business and build better subscriber relationships.

GreenArrow CloudMTA

Fully Managed Email Delivery Service
  • Instant Scalability & Reliability
  • Escape Vendor Lock-In
  • Managed by Industry Veterans
Learn more about CloudMTA

GreenArrow Engine

In Your Data Center or Cloud Infrastructure
  • Cloud-Native Clustering
  • Proven at Hyper-Scale
  • Rock-Solid Reliability
Learn more about Engine

A Proven, Stable Partner

GreenArrow has delivered trillions of email messages for ESPs since 2006. We’ve weathered many years of changes in the industry, helping our customers stay in front of the shifting landscape with proactive enhancements to our products. Email is our passion: we’re not owned by an SMS company — we work for our customers.

1

Support by Industry Veterans

Our team has a combined 150+ years in the email industry. We've assisted big and small senders migrating to GreenArrow from the industry’s other major platforms, and we care deeply about your success. Our experience and care shows up in everything we do. You’ll choose to stay with us because you’ll partner with industry experts you can trust to get you launched successfully, whether starting from scratch or migrating an existing operation.

2

Superior Total Cost of Ownership

GreenArrow offers competitive pricing, backed up by an experienced team and powerful products. Beyond bottom-line cost savings, you’ll benefit from reduced infrastructure costs and countless human hours saved. Our goal is email infrastructure that you can take for granted, freeing up your time to focus on your core business.

3

Numbers Speak Louder

16

Average years of industry experience of our technical staff

70,000

Emails/second production performance of a single GreenArrow cluster

30

Releases in the last 12 months

0

Production incidents caused by GreenArrow for our hyper-scale users

50%

Lower Total Cost of Ownership compared to other vendors

331

Configuration directives, and 19 HTTP APIs in GreenArrow Engine

On-Premises or Cloud

Which solution is right for you?

More than just a hardware issue, choosing between On-Premises or Cloud is more about the overall experience you envision for your team, your processes, and your output.

Find the right fit
Also available

GreenArrow Marketing Studio

For marketers who need to easily build and send high-volume, time-sensitive campaigns and get more insights from list activity to improve engagement with subscribers.

View all feature & benefits

From Our Blog

GreenArrow Blog

Queen One and Rejoiner's migration to GreenArrow

This blog post is an interview with Mike Arsenault from Queen One about their recent migration to GreenArrow.

Read the article
GreenArrow Blog

Vero's migration to GreenArrow

This blog post is an interview with Chris Hexton and Reba Moyes from Vero about their recent migration to GreenArrow.

Read the article
GreenArrow Blog

An interview with Klaviyo's MTA team

This blog post is an interview with John Moody and Liam Kelly from Klaviyo about deploying and running the GreenArrow Engine MTA at scale.

Read the article

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