sgkstudio.
Cold Email

Cold Email & SDR Automation
infrastructure for B2B outbound

Domain warm-up through sending, tracking, reply detection, and CRM sync. AX raises sales productivity and automates finding new accounts.

Cold email sending infrastructure

We automate the full cold email lifecycle — domain reputation, sending, open tracking, reply detection, bounce handling — built on Resend and Vercel Cron.

  • Domain warm-up and SPF/DKIM/DMARC setup
  • Personalized sends with open and click tracking
  • Automated bounce handling and domain reputation monitoring

Lead sourcing and send automation

We filter targets that fit your criteria out of a database of 40,000+ Korean companies and send personalized cold emails automatically.

  • Target filtering by industry, size, and financials
  • Company-specific personalized email bodies
  • A/B testing, funnel measurement, and automatic resends

Full SDR pipeline

Sourcing, sending, open tracking, reply detection, CRM sync, and follow-up alerts run as a single system.

  • Unified dashboard for lead DB, sends, and tracking
  • Automatic reply detection with Slack alerts
  • Custom CRM / Notion / spreadsheet sync plus meeting booking
Vs. SDR outsourcing

Do you want to run it yourself,
or have us run it for you?

Building cold email infrastructure is a technical solution for teams that want to run their own outbound channel. It's a different approach from our SDR outsourcing service, where we run the sends for you. You can run both together, or pick whichever fits.

Pricing

Pricing

Every project is a one-time build fee plus a monthly maintenance fee. The maintenance fee can adjust after launch based on send volume and number of domains.

One-time build fee

Covers domain setup, the sending system, the tracking pipeline, and CRM integration.

Monthly maintenance fee

Covers sending infrastructure operation, domain reputation monitoring, tracking data management, and stabilization.

We provide an exact quote through a free consultation.

Build your B2B outbound channel

A free consultation is enough for us to assess your current sales channel and propose a fit.

Contact: contact@sgkstudio.co.kr