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Cold Email Campaign Infrastructure & Automation

Designed and deployed a scalable cold email outreach system including domain authentication, inbox warm-up, automated sending infrastructure, and campaign performance tracking.

Email Automation DNS Configuration SMTP Campaign Tools Lead Generation

Project Overview

The goal of this project was to build a reliable cold email outreach infrastructure capable of sending large-scale campaigns while maintaining high deliverability. The system includes domain configuration, inbox warm-up automation, campaign management tools, and email authentication setup to prevent spam filtering and ensure consistent inbox placement.

What I Built
  • Domain & mailbox infrastructure setup
  • SPF, DKIM, and DMARC email authentication
  • Inbox warm-up automation system
  • Cold outreach campaign configuration
Campaign System
  • Automated email sending sequences
  • Inbox rotation and send limit control
  • Lead list management and personalization
  • Reply, open, and bounce tracking
Deliverability Optimization
  • Email warm-up tools integration
  • Spam score and domain reputation monitoring
  • List cleaning and validation
  • Compliance with CAN-SPAM / GDPR
Tech Stack
  • DNS: SPF, DKIM, DMARC
  • Email Platforms: Google Workspace / Zoho
  • Campaign Tools: Instantly, Lemlist
  • SMTP Services: Amazon SES / SendGrid

Production campaign configurations are private due to client confidentiality.