Email that delivers results
SprintMailer is the all-in-one platform for email marketing, SMTP relay, transactional email, and deliverability monitoring. Send smarter, reach further.
2.5B+
Emails Sent
+12% this month
99.8%
Delivery Rate
+0.3% this month
10K+
Active Users
+24% this month
Everything you need to send better email
From marketing campaigns to transactional messages, SprintMailer has you covered.
Bulk Email Campaigns
Send beautiful campaigns to millions with advanced segmentation and personalization.
SMTP Relay
High-performance SMTP infrastructure with global edge nodes for lightning-fast delivery.
Transactional Email
Reliable API for password resets, receipts, and notifications with 99.99% uptime.
Email Verification
Real-time email validation to keep your lists clean and bounce rates low.
Deliverability Monitoring
Track inbox placement, spam scores, and domain reputation in real-time.
Analytics & Insights
Deep analytics on opens, clicks, conversions, and engagement trends.
Our Services
Comprehensive email solutions for every business need.
Why teams choose SprintMailer
Enterprise-grade infrastructure
Built on a globally distributed network with automatic failover and redundancy.
Developer-first API
RESTful API with SDKs for Node.js, Python, PHP, and more. Integrate in minutes.
Advanced deliverability
Dedicated IPs, domain warming, and real-time reputation monitoring.
24/7 expert support
Our deliverability experts are always ready to help you succeed.
Platform Highlights
Loved by teams worldwide
“SprintMailer transformed our email marketing. Our open rates increased by 40% in the first month.”
Sarah Johnson
Marketing Director at TechFlow
“The SMTP relay is incredibly reliable. We've sent over 10 million emails with zero downtime.”
Michael Chen
CTO at DataSync
“Best email platform we've used. The deliverability monitoring alone is worth the price.”
Emily Rodriguez
Founder at GrowthLab
99.8%
Delivery Rate
2.5B+
Emails Sent
10K+
Active Users
150+
Countries
Frequently asked questions
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