Email List Segmentation

Overview

Sending the same email to your entire list is one of the most expensive mistakes in ecommerce marketing. ISPs throttle senders with low engagement, unsubscribe rates spike for irrelevant content, and you leave revenue on the table by treating a VIP customer identically to someone who has never purchased. Klaviyo (for Shopify/BigCommerce) and AutomateWoo or Mailchimp (for WooCommerce) include RFM and behavioral segmentation built-in — no custom code needed for most stores.

When to Use This Skill

• When email open rates drop below 20% and you suspect low engagement dragging deliverability
• When migrating from blast-and-pray sends to targeted campaign logic
• When building a suppression system to protect high-value subscribers from over-messaging
• When launching a win-back program and need to identify the "at-risk" vs. "lapsed" cohort
• When analyzing email revenue and needing to attribute performance to specific segments

Core Instructions

Step 1: Choose the right segmentation tool