Polymail is a simple, beautiful, and powerful email client for Mac and iOS. With real-time read-receipts, personalized campaigns, follow-up reminders, contact profiles, and even Salesforce integrations all wrapped in a beautiful UI, Polymail makes your morning email grind effortless.
Boxy is the best Inbox by Gmail client for Mac, with a sleek and polished interace, and many native features like Push Notifications, Reader Mode and Markdown Support.
Canary Mail is the mail app you need, security and features in one, wrapped up and delivered to you! There is a lot more you can do with it - everything is systematized, organized and with an easy User Experience!