Postbox is described as 'email application that helps you organize your work life and get stuff done' and is a well-known app in the Office & Productivity category. There are more than 50 alternatives to Postbox for a variety of platforms, including Mac, Windows, Linux, iPhone and Android. The best alternative is Thunderbird, which is both free and Open Source. Other great apps like Postbox are Microsoft Office Outlook (Paid), Mailspring (Freemium, Open Source), Mailbird (Paid) and eM Client (Freemium).
- Part of the Microsoft Office Suite, Outlook is a personal information manager that lets you manage your e-mail, calendar, contacts, and tasks. View 134 alternatives to Microsoft Office Outlook
- Paid • Proprietary
- Android Tablet
- Windows Phone
- Apple Watch
- Android Wear
- Boost your productivity and send better email with Mailspring, a beautiful, fast email client for Mac, Windows, and Linux. Mailspring is free to use and an optional pro version adds read receipts, send later, reminders and more. View 37 alternatives to Mailspring
- Freemium • Open Source
- Arch Linux
- There’s big news attached. The best way to manage email on a Mac, according to Apple. View 74 alternatives to Apple Mail
- Free • Proprietary
Apple Mail vs PostboxPostbox has dozens (hundreds?) more features than Apple Mail, not the least of which is keyboard navigation, keyboard filing, option for multiple identities within each account, the ability to choose which mailbox is your Sent mail, and a lot more.