The smartest way to reach
your customers.
Empower your business with high-delivery transactional emails, automated marketing campaigns, and real-time analytics. Built for scale, designed for speed.
Secure setup • 24/7 Support • Instant access
Campaign Overview
Performance metrics for May 2026
TRUSTED BY INNOVATIVE TEAMS WORLDWIDE
Powerful features for power users.
Everything you need to build, send, and scale your email infrastructure with confidence.
Lightning Fast Email
API & SMTP.
Integrate in minutes with our developer-friendly API or use our standard SMTP relay. Built for 99.99% uptime and sub-second delivery.
- Node.js & Python SDKs
- SMTP Relay Support
- Custom Webhooks
- 99.9% Delivery Rate
Advanced Analytics
in Real-Time.
Track every open, click, and bounce as it happens. Our intuitive dashboard gives you the data you need to optimize your campaigns.
- Open Rate Tracking
- Heatmap Analysis
- Device Statistics
- A/B Test Results
Domain Verification
Made Simple.
Protect your sender reputation with automated DKIM, SPF, and DMARC setups. We handle the technical heavy lifting for you.
- DKIM & SPF Setup
- DMARC Monitoring
- IP Warmup Tools
- Reputation Guard
Scale your business with predictable costs.
Choose the plan that fits your needs. No hidden fees, no surprises.
Nano
Ideal for personal use
- 1,000 Emails / month
- 1 Verified Domain
- Unlimited Email IDs
- Basic Analytics
- 24/7 Support
Starter
Perfect for small projects
- 5,000 Emails / month
- Shared IP Pool
- Basic Analytics
- 24/7 Support
Professional
For growing businesses
- 15,000 Emails / month
- Priority Delivery
- Advanced Analytics
- API & Webhooks
- Domain Verification
Enterprise
Custom solutions for scale
- Unlimited Emails
- Dedicated IP
- Custom Integration
- Account Manager
- 99.9% SLA
Inquiry Form
Send us your requirements and our team will get back to you.
Ready to transform your email marketing?
Join over 50,000 businesses growing with Zentro today.