Reach the Inbox, Every Time. The API for Trusted Delivery
Build confidently using a platform that simplifies sending, testing, analyzing, and perfecting your emails—complete with everything you need for flawless campaigns at any volume
Trusted by more than 150,000 businesses, including 8 of the world’s top 10 tech giants
Shape your email delivery experience to fit your needs
Every business communicates differently—and rarely to the same audience. Choose the tools that fit your needs today, with the flexibility to adapt as your strategy evolves. Our platform provides solutions you can customize to match your communication goals

Engagement
Transactional emails deliver timely, action-driven messages that keep users actively involved

Communication
Deliver critical information instantly with automated transactional emails

Retention
Keep customers returning with consistent, personalized transactional notifications

Inspect emails
Transactional emails build confidence through secure, accurate, real-time communication
Deliver every email with trusted reliability
Email plays a crucial role in your tech stack, and the technologies powering your email program should integrate seamlessly and scale effortlessly on a platform known for its compliance and reliability. Mailgun was built by developers, for developers. Whether you’re looking to send thousands or millions of emails to the inbox, parse incoming messages, or connect your email data to a CRM – Mailgun offers the flexibility and reliability you need to ensure your emails reach their destination, every time.
Optimize emails to drive real engagement
Whether for daily decisions or long-term planning, we provide the insights and expertise to maximize your email ROI. ZLLIQ MAIL Optimize brings together tools and expert support in one complete deliverability suite
Effortless email optimization designed for powerful results
From daily decisions to long-term planning, we deliver the insight and expertise needed to maximize the ROI of your email program. ZlliQ Transactional Mail Optimize blends powerful applications with expert guidance to create an effortless, high-performance deliverability suite
Preview your emails accurately and confidently
From everyday decisions to long-term strategy, we give you the insight and expertise needed to ensure a consistently high-quality, high-ROI email program. ZlliQ Transactional Mail Optimize unites trusted applications and expert guidance into a single quality-driven deliverability suite
Learn what ZlliQ transactional mail can do
Achieve higher inbox rates through managed deliverability services.
Managed deliverability
Top features:
- Expert-managed sending infrastructure
- Proactive reputation protection
- Inbox performance insights
Access enterprise-grade deliverability at cost-efficient rates
Affordable pricing
Top features:
- Pay-as-you-go flexibility
- Value-packed features included
- Scalable volume-based plans
Start strong with hands-on configuration from deliverability specialists
Concierge Setup
Top features:
- Step-by-step implementation support
- Seamless integration guidance
- Fast and frictionless onboarding
Deliver emails instantly with consistently low latency
Reliable Latency
Top features:
Consistently low send latency
Optimized infrastructure for speed
Real-time delivery performance
