See why Postbox`s features make it the best email client for Mac

Postbox for Mac

Postbox 6.1.10

  -  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-6.1.10-mac64.dmg

  • MD5 Checksum

    cc4c1ab3ab95e04cbaa8a3106de90b2b

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 6.1.10.


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 6.1.10 Screenshots

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

    Postbox 6.1.10 Screenshot 1
  • Postbox 6.1.10 Screenshot 2
  • Postbox 6.1.10 Screenshot 3
  • Postbox 6.1.10 Screenshot 4
  • Postbox 6.1.10 Screenshot 5

What's new in this version:

- Improved the display of the preview pane when zooming
- Changed the default text color for signatures from grey to black
- Added message count to the menu bar on Windows
- We now prevent the contents of large text files (.txt, .xml, .csv, etc.) from displaying inline to speed up message display
- Clean up of Contacts Card when using Dark Mode on Windows
- Fix that allows Play Sound filter action to display sound file name
- Several fixes to Global Filters when saving, editing, or renaming