BlueMail

BlueMail is a versatile email client that allows you to manage any number of accounts from different email providers. It supports smart push notifications, group emailing and various personalization options. The client is also calendar compatible so you can easily schedule your tasks. BlueMail is available in two versions, for Windows and macOS.

Here are some of the main features of BlueMail:

- Manage any number of accounts from different email providers (IMAP, Exchange, POP3)

- Receive smart push notifications for emails

- Send group emails

- Personalize the look and sound of BlueMail

- Integrate a calendar for convenient scheduling

- Available in Windows and macOS versions

If you're looking for a powerful and versatile email client, BlueMail is a great choice.