Best email list performance metrics tools in 2025

📧 Email list analysis best practices tactics 📧 Email list cleaning best practices 📧 Email list cleaning tactics 📧 Email list compliance best practices tactics 📧 Email list engagement tactics 📧 Email list management best practices tactics 📧 Email list metrics 📧 Email list monitoring 📧 Email list monitoring best practices tactics 📧 Email list optimization tactics 📧 Email list performance improvement tactics 📧 Email list reporting 📧 Email list reporting best practices tactics 📧 Email list security best practices 📧 List hygiene