8 Best Email Clients for Mac in 2021 Improve your email management on macOS by: Yash Wate - Last updated on: February 20th, 2021 Key Takeaways No matter what productivity, project management, and task management apps and services you use, emails will continue to play a significant role in your communication and work online. If you are a Mac user, you get Apple Mail, the default email app, to manage and organize all your emails. Apple Mail works fine and should suffice the needs of most users. But if you need more control over your emails and want an advanced set of email-management features and functionalities, you need third-party email clients.