Finally, an ESP That Puts You in Control.

Stop fighting your email platform. Upsender ESP combines a powerful, responsive infrastructure with a dedicated team of deliverability experts to help you inbox better and grow your revenue. Built for DTC and affiliate marketers who demand results.

More Revenue, Less Headaches.

For the past four years, we’ve managed email for some of the biggest names in the industry. We saw a recurring problem: traditional ESPs are rigid, unresponsive, and leave you dealing with deliverability issues on your own. We built Upsender ESP to change that.

Unmatched Control & Responsiveness

Your business is unique, and your ESP should be too. Get the flexibility you need with an infrastructure built for performance and a team that responds to your needs in real-time. No more support tickets lost in the void.

Expert-Managed Deliverability

Our team of industry veterans handles the technical heavy lifting. We manage domain warming, IP reputation, and proactive monitoring so you can focus on marketing, not troubleshooting. Your success is our success.

AI-Powered
Engagement

Supercharge your outreach with our built-in AI agent. Automatically engage cold leads, re-engage dormant subscribers, and create personalized conversations at scale. It's like having a dedicated sales assistant working for you 24/7.

Everything You Need to Succeed

For the past four years, we’ve managed email for some of the biggest names in the industry. We saw a recurring problem: traditional ESPs are rigid, unresponsive, and leave you dealing with deliverability issues on your own. We built Upsender ESP to change that.

Domain & IP Warming

We don't just give you the keys; we warm up the engine. Our internal service ensures your sending infrastructure is primed for the inbox from day one.

Flexible IP Pools

Whether you need the pristine reputation of a dedicated IP or the volume capacity of a shared pool, we tailor the solution to your specific sending needs.

Seamless Migration

Switching ESPs is a headache. Our white-glove onboarding team manages the entire transition for you, ensuring a smooth and painless move from your current provider.

Advanced Segmentation

Go beyond basic tags. Create powerful, dynamic segments based on user behavior, purchase history, and engagement to deliver hyper-personalized messages.

Automation & Journeys

Build sophisticated automated workflows with our intuitive visual builder. From welcome series to cart abandonment, we help you nurture leads and drive sales on autopilot.

Real-time Analytics

Make data-driven decisions with a clear and comprehensive dashboard. Track your deliverability, engagement, and revenue to constantly optimize your campaigns.

The Team Behind Your Deliverability

We’re not just a software company; we’re your partners in the inbox. Our team of seasoned experts is what truly sets Upsender ESP apart.

Trusted by Top Brands

Ready to Take Control of Your Email Revenue?

Let us show you how Upsender ESP can transform your email marketing. Schedule a free, no-obligation demo with one of our co-founders today.

Have questions? Chat with us live.

Success Stories

Get In Touch With Us

When you partner with Upsender, you gain more than just a service provider; you gain a devoted ally committed to your email marketing success. Let us transform your large email list into a powerful revenue-generating asset. Experience the professionalism, warmth, and strength of Upsender, and elevate your email marketing efforts to new heights. Contact us today, and let’s embark on this exciting journey together.