Effective list management is crucial for targeted email marketing. Mailchimp offers powerful list segmentation and tagging features. Constant Contact is known for its easy-to-use list management tools, making it ideal for small businesses. SendinBlue provides detailed segmentation and list cleaning features, ensuring that your emails reach the right audience. GetResponse offers advanced list management features, including dynamic segmentation and customer profiling. HubSpot's CRM integration allows for highly detailed list segmentation based on a wide range of criteria.