Best direct mail campaigns tools in 2025

📈 Brand awareness metrics 📊 Brand loyalty metrics 📈 Brand loyalty strategies 📈 Campaign success measurement 🎯 Customer engagement effectiveness 🎯 Customer relationship performance 📬 Direct mail effectiveness 📬 Direct mail strategy 🚦 Foot traffic 📊 Marketing outreach analysis 📊 Marketing performance effectiveness 📣 Personalized promotions 📬 Physical mail strategy 📬 Postcard campaigns 📬 Postcard marketing