Postbox 是一款Mac上优秀的邮件客户端工具，支持多账户，可以为不同账户分类，统一管理，不再累于账户切换，极大简化了操作，很不错！
[Postbox 在官网上售价40美元，约合人民币240元]
软件介绍
Postbox is a new email application that helps you organize your work life and get stuff done. It has all the elegance and simplicity of Apple Mail, but with more power and flexibility to manage even the most demanding workloads.
软件截图
