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Postbox for Mac

Postbox 6.1.12

  -  57.99 MB  -  Trial
  • Latest Version

    Postbox 7.0.64

  • Operating System

    Mac OS X 10.10 or later

  • User Rating

    Click to vote
  • Author / Product

    Postbox, Inc. / External Link

  • Filename

    postbox-6.1.12-mac64.dmg

  • MD5 Checksum

    c24c1a7055cc8f524b379addf23f63a6

Sometimes latest versions of the software can cause issues when installed on older devices or devices running an older version of the operating system.

Software makers usually fix these issues but it can take them some time. What you can do in the meantime is to download and install an older version of Postbox 6.1.12.


For those interested in downloading the most recent release of Postbox for Mac or reading our review, simply click here.


All old versions distributed on our website are completely virus-free and available for download at no cost.


We would love to hear from you

If you have any questions or ideas that you want to share with us - head over to our Contact page and let us know. We value your feedback!

  • Postbox 6.1.12 Screenshots

    The images below have been resized. Click on them to view the screenshots in full size.

    Postbox 6.1.12 Screenshot 1
  • Postbox 6.1.12 Screenshot 2
  • Postbox 6.1.12 Screenshot 3
  • Postbox 6.1.12 Screenshot 4
  • Postbox 6.1.12 Screenshot 5

What's new in this version:

- Added more debug info within the filter logs
- Images shared from Cloud File Sharing will no longer be added to message body
- Improved the rendering performance of the International Character Panel
- Reverted change that removed default send server setting in 6.1.11
- Windows Dark Mode styling improvements for stand-alone windows
- Reduced the size of text in the Quick Bar
- Removed deprecated thread commands from the Message menu
- Removed mbox troubleshooting option that is no longer needed
- Things.app to-dos added via the contextual menu now include message links
- Removed due date from Things notes so that new to-dos appear in the Things Inbox
- Fixed a bug that prevented Things.app on macOS from appearing in the context menu
- Fixed a Quick Bar bug that prevented the first auto-completed response from being inserted properly
- Fixed a bug that prevented the OneDrive Cloud File Sharing service from authenticating