Best email marketing effectiveness and optimization tools in 2025

📣 Brand communication strategies and metrics 📅 Campaign management tools and strategies 📅 Campaign performance analysis and insights 📬 Customer engagement metrics and analysis 📬 Customer engagement strategies and tools 📧 Email marketing campaigns and tools 📈 Email marketing insights and analytics 📊 Email marketing performance metrics and analysis 📈 Email marketing success and strategies 📅 Email marketing tools and strategies 📊 Open rate tracking 🎯 Target segmentation