Email Deliverability Engineered for Success
At the heart of every successful email program lies exceptional deliverability. SendLib combines cutting-edge AI technology with 200+ years of cumulative deliverability expertise to ensure your emails reach the inbox, not the spam folder.
Why Deliverability is Everything
Your email API is only as good as its ability to reach the inbox. Poor deliverability can devastate conversion rates, damage your brand, and cost you customers.
Our Deliverability Management System
We combine advanced technology with human expertise to create a comprehensive deliverability management system that evolves with the email landscape.
AI-Powered Reputation Management
Our machine learning algorithms continuously monitor and optimize your sender reputation across all major ISPs, ensuring consistent inbox placement.
Intelligent Warmup Process
Automated email warmup that gradually builds trust with ISPs using natural sending patterns and engagement optimization.
Real-Time Deliverability Analytics
Comprehensive monitoring of delivery rates, bounce patterns, and engagement metrics across Gmail, Outlook, Yahoo, and other major providers.
ISP-Specific Optimization
Tailored delivery strategies for each major email provider, leveraging deep understanding of their filtering algorithms and policies.
Proactive Monitoring & Alerts
24/7 monitoring of your sender reputation with instant alerts when deliverability issues are detected, allowing for immediate remediation.
Infrastructure Optimization
Dedicated IP pools, proper DNS configuration, and strategic infrastructure management to maintain optimal delivery performance.
Technology That Powers Delivery
Our proprietary technology stack continuously analyzes thousands of data points to optimize your email delivery in real-time.
200+ Years of Collective Expertise
Technology alone isn't enough. Our team brings deep human expertise and industry relationships that make the difference between good and exceptional deliverability.
200+ years of collective deliverability experience across our team
Deep relationships with major ISP postmasters and deliverability teams
Proven track record with 10,000+ successful email programs
Advanced understanding of DMARC, DKIM, SPF, and authentication protocols
Continuous research into evolving ISP filtering algorithms
Expertise in handling complex enterprise deliverability challenges
The SendLib Deliverability Advantage
When you choose SendLib, you're not just getting an email API – you're getting a dedicated deliverability partner committed to your success.
Proactive Management
We don't just monitor – we actively optimize your deliverability before issues impact your business.
Transparent Insights
Complete visibility into your email performance with actionable recommendations for continuous improvement.