Postbox不仅对多账户处理有道，对邮件的处理更是强大：同主题的邮件往来不仅在标题列表中被显示为直观会话。
Postbox 对邮件的标签、分类、搜索的支持无与伦比，尤其适合信息分类强迫症的拉二狗。它提供 Focus Pane 功能，将收件箱（工作量）分割为更好处理的小块，利于识别优先级各个击破。邮件和 Todo List 视图的整合紧密，可直接查看未完成任务。而搜索功能更是可圈可点，从联系人到邮件内容、附件、图像，完整覆盖且快如迅雷。
软件在周边细节也下足了功夫，配置方便自不必提。Postbox 不仅提供各种附加扩展下载，还与各种外部软件有良好交互。
Postbox is an email client easy to use that was specifically designed so you can control multiple email accounts easily in one centralized interface. With postbox you can take full advantage of all your email accounts with centralized search, editing and organization tools that will definitely increase your productivity and make your life easier.
To enable this centralized use, PortBox continuously scans your email in the background, building a large database of your texts, contacts, addresses, links, images, attachments and documents that can be easily searched. With a powerful search engine, you will never miss anything or change of place. You can also use the scan option.
Interface Postbox is very well organized, allowing professional users to completely customize your email experience, which can help them increase their productivity and reduce time spent in exploring sometimes hundreds and thousands of emails until you find the one. Users can locate emails easily, tag or read incoming messages, correspondence monitor with email lists in “Conversation View” integrate their Gmail accounts, and more. As for safety, all the cataloging and classification of messages is carried out on your local PC, ensuring that only you have access to all incoming and archived messages.