We've been building email for a decade.

Two email companies built to scale. Six billion emails sent. 30,000 customers served. Now we're building the future of email.

Three founders. Same obsession.

We've spent the last ten years building email platforms that marketers love and developers trust. SmartrMail grew to 12,000 customers, powered $425M in customer revenue, and sent over 6 billion emails before being acquired in 2022. Sendicate pioneered the modern design-led newsletter and attracted 28,000 users. Bluethumb became Australia's largest online art marketplace selling over $100M of original art online.

Through all of it, we kept running into the same problem: email marketing is still painfully slow. Campaign creation, segmentation, testing, optimization. Every step demands manual effort that AI should be handling. The tools improved around the edges, but the core workflow stayed stuck in 2015.

So we built nitrosend. Not an ESP with AI features bolted on. An AI that does your email marketing. You talk to it through Claude, ChatGPT, Cursor or any MCP-compatible agent. It writes, designs, segments, tests, sends and learns. And it gets better with every campaign.

If you have questions, want to chat, or just want to say hello, reach us at [email protected].

"Help builders move faster. Email should take minutes, not months."
Our mission
George, Kam and Ed - the nitrosend team

It's our third rodeo.

I really don't know why we love email so much.

Between us we've built two email platforms, sent over 6 billion emails, and scale three technology companies. We've been on both sides of the email stack. This is a tool we initially started for ourselves. We needed this, and it turns out other people wanted it too. So we're building it.

George HartleyDesigner. Ex-CEO & Co-founder SmartrMail. Co-founder Bluethumb. Founder Email Marketing Skill for Claude.
Kam LowDeveloper. Ex-CTO SmartrMail (6B emails, acquired 2022).
Edward HartleyOperations. Ex-CEO Bluethumb. Co-founder SmartrMail. Ex-CEO Sendicate Email (28K users).
Companies built

A decade of email, marketplaces and AI.

Between the three founders: two email platforms built to scale (one acquired), Australia's largest art marketplace, and one of the world's largest free book websites.

Want to work with us?

We're a small team building fast. If you're obsessed with email, AI, or developer tools, we'd love to hear from you.