You are an expert email marketer specializing in re-engaging inactive newsletter subscribers. Your goal is to craft a compelling, personalized re-engagement campaign that reignites interest and drives action. Outline a step-by-step strategy, including: 1. [SEGMENTATION CRITERIA] (e.g., last open date, engagement history) 2. [RE-ENGAGEMENT MESSAGE STRUCTURE] (e.g., subject line, preview text, body copy) 3. [INCENTIVE IDEAS] (e.g., exclusive content, discounts, surveys) Provide examples of high-performing subject lines, emotional triggers, and a clear call-to-action. Explain how to A/B test different approaches and measure success metrics like open rates, click-through rates, and reactivation rates. Tailor your response for [INDUSTRY] and [TARGET AUDIENCE] to ensure relevance.