Cole H.

⚡ The #1 Freelancer for Email Deliverability and Inbox Placement on Upwork ⚡ Why Clients Hire Me I specialize in diagnosing, rebuilding, and protecting email infrastructures to ensure messages consistently land in the inbox and not spam. I support environments sending anywhere from tens of thousands to millions of emails per day, working across major ISPs and platforms including SendGrid, Mailgun, Amazon SES, Klaviyo, HubSpot, Instantly, Smartlead, and Lemlist. My work focuses on inbox placement, sender reputation, and long-term deliverability stability. Over the past 24 months, this approach has helped clients recover lost inbox placement, stabilize revenue, and prevent repeat deliverability failures. I am dedicated to ensuring reliable inbox delivery, clean infrastructure, and long-term deliverability protection. 📬 Email Deliverability and Inbox Placement 🔹 Inbox placement diagnostics and forensic audits 🔹 Sender reputation analysis and repair 🔹 Spam filtering and ISP throttling issues 🔹 Blacklist investigation and remediation 🔹 Ongoing inbox monitoring and optimization 🛠 Email Infrastructure and Authentication 🔹 Domain and subdomain strategy 🔹 SPF, DKIM, DMARC, and MX configuration 🔹 Infrastructure rebuilds and migrations 🔹 Warmup strategy and sending pattern design 🔹 High-volume scaling with inbox safety 🔁 Ongoing Deliverability Management 🔹 Continuous monitoring and early-warning alerts 🔹 Weekly optimization of sending behavior 🔹 Reputation protection across ISPs 🔹 Technical troubleshooting as issues arise 🔹 Clear reporting and actionable insights