Building reliable
digital infrastructure
Irfan Naseem — SMTP & Email Infrastructure Expert. I help businesses achieve 99%+ inbox delivery with scalable email systems, SMTP infrastructure, and automation tools that drive results.
About Me
Engineer by craft, problem solver by nature
I am Irfan Naseem, an SMTP & Email Infrastructure Expert serving clients worldwide. Over the past seven years, I have architected and deployed mission-critical email systems that handle millions of transactions daily — helping businesses own their email infrastructure and deliverability.
My deep expertise lies in SMTP infrastructure, email deliverability, and building robust email automation tools. From configuring bare-metal mail servers to building products like Email Butler, I help businesses ensure their messages land in inboxes — not spam folders.
I work directly with clients to design, build, and optimize their email systems. Whether it's a high-volume transactional platform, a deliverability audit, or a full email automation stack — I deliver solutions that scale.
Services & Expertise
What I deliver
Specialized services spanning email infrastructure, software engineering, and cloud architecture — built for teams that demand reliability at scale.
SMTP Infrastructure
Design, configure, and optimize SMTP servers for high-volume transactional and marketing email delivery. From Postfix to PowerMTA, I ensure maximum inbox placement.
Email Automation Systems
Build intelligent email workflows and drip campaigns. Expert in tools like Email Butler, custom automation pipelines, and trigger-based messaging architecture.
Deliverability & Compliance
Implement SPF, DKIM, DMARC, BIMI, and IP warming strategies. Monitor sender reputation, blacklist monitoring, and compliance with CAN-SPAM and GDPR.
Mail Server Architecture
Deploy scalable mail server clusters with load balancing, redundancy, and failover. Experience with Sendmail, Exim, Postfix, and cloud-based relay services.
Full-Stack Development
Build modern web applications using React, Next.js, Node.js, and TypeScript. From RESTful APIs to real-time WebSocket systems, I deliver end-to-end solutions.
Cloud Infrastructure
Architect cloud-native solutions on AWS, Azure, and GCP. Containerization with Docker, orchestration with Kubernetes, and serverless computing with Lambda.
Database Engineering
Design optimized schemas, write complex queries, and tune performance. PostgreSQL, MySQL, MongoDB, Redis, and Elasticsearch for search and analytics.
Performance Optimization
Profile and optimize application performance. Reduce latency, improve throughput, and implement caching strategies at every layer of the stack.
Experience
7+ years of email infrastructure expertise
From engineering at Netcode to independent consulting — helping businesses take control of their email systems and deliverability.
SMTP & Email Infrastructure Consultant
Helping businesses design, build, and optimize their email infrastructure. Built Email Butler, a smart email automation platform processing 5M+ emails monthly with 99.2% inbox placement. Delivered SMTP configuration, deliverability audits, and automation systems for clients globally.
- Built Email Butler — email automation platform (5M+ emails/month)
- Configured 200+ SMTP servers for businesses worldwide
- Achieved 99.2% average inbox placement rate for clients
- Reduced email delivery latency by 60% through SMTP optimization
Software Engineer (Email Infrastructure)
Specialized in backend systems and SMTP relay infrastructure. Configured and maintained email servers for enterprise clients. Built monitoring tools for email deliverability tracking and implemented email authentication protocols.
- Configured 50+ SMTP server instances for enterprise clients
- Built deliverability monitoring dashboards
- Implemented DKIM/SPF/DMARC for 200+ domains
- Built core API systems handling 10K+ users
Selected Projects
Systems I have shipped
A portfolio of production-grade systems built for scale, reliability, and performance.
Email Butler
An intelligent email automation platform that handles scheduling, personalization, and deliverability monitoring. Processes 5M+ emails monthly with 99.2% inbox placement rate.
SMTP Sentinel
Real-time SMTP server monitoring and health dashboard. Tracks queue depth, bounce rates, IP reputation, and TLS handshakes across distributed mail clusters.
DeliverIQ Analytics
Comprehensive email deliverability analytics platform providing insights into open rates, click-throughs, spam folder placement, and reputation scoring.
DomainGuard
Automated DNS and email security configuration tool. Validates SPF, DKIM, DMARC records, detects misconfigurations, and suggests fixes to improve deliverability.
Netcode API Gateway
High-performance API gateway handling authentication, rate limiting, and request routing for Netcode's microservices architecture with sub-10ms latency.
MailBridge
Multi-provider email relay switcher that intelligently routes emails through the best-performing SMTP provider based on real-time reputation and cost optimization.
Contact
Let's build something great together
Whether you need SMTP infrastructure consulting, email deliverability help, or a full-stack engineer — I'm here to help.