Pankaj S.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

Tired of low open rates, spam folders, or poor inbox placement? I help e-commerce brands, B2B companies, financial services, agencies, and SaaS businesses improve email deliverability, build scalable SMTP infrastructure, and maximize inbox placement. With 18+ years of experience, I've designed, deployed, and optimized high-volume email systems for businesses worldwide. ✔ SMTP Server Setup ✔ Configured 60,000+ IPs with warm-up strategies ✔ Managed 5,000+ campaigns ✔ Achieved inbox placement rates up to 95–98% ✔ Reduced bounce and spam rates significantly My expertise includes: ■ Email Deliverability & Inbox Placement * SPF, DKIM, DMARC, rDNS, BIMI * Domain/IP warm-up * Spam troubleshooting * Blacklist removal & reputation recovery * Google Postmaster & Microsoft SNDS optimization ■ Cloud Email Platforms * AWS SES * Mailgun * SendGrid * SparkPost * Brevo * Elastic Email * Mailjet ■ Self-Hosted SMTP Infrastructure * PowerMTA (PMTA) * GreenArrow * Postfix * MailerQ * Postal * KumoMTA * ZoneMTA * Exim ■ Email Marketing & Automation * Klaviyo * HubSpot * Mailchimp * GoHighLevel * ActiveCampaign * Customer io * Mautic * MailWizz ■ DNS & Server Optimization * Cloudflare / Route53 * SSL & DNS Configuration * Reverse DNS (rDNS) * Bounce & Feedback Loop Management * High-Availability SMTP Clusters (HAProxy + GRE/IP-IP Tunnel) ■ I Can Help You If... ✔ Your emails are landing in spam ✔ You need better inbox placement ✔ You're experiencing high bounce rates ✔ You need a high-performance SMTP server ✔ You want to scale cold email safely ✔ You need dedicated IP/domain warm-up ✔ You need a deliverability audit or sender reputation recovery ✔ You're building a high-volume email infrastructure I build stable, secure, and scalable email systems that improve deliverability, protect sender reputation, and support long-term business growth. ■ Bonus: Custom Monitoring & Management Tools As part of my solutions, I also provide custom monitoring and management tools that I've developed over the years, including: * Automated blacklist monitoring * Sender reputation monitoring * RKHunter security auditing * Malware detection and scanning * FTP & Web-based Control Panel for easy server management These tools automate routine maintenance, improve security, and make enterprise-grade email infrastructure easy to manage - even for non-technical users. Let's discuss your email challenges and build an email infrastructure that gets your messages into the inbox - not the spam folder.