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Postbox for Mac

Postbox 5.0.10

  -  30.18 MB  -  Trial
  • Latest Version

    Postbox 7.0.63

  • Operating System

    Mac OS X 10.10 or later

  • User Rating

    Click to vote
  • Author / Product

    Postbox, Inc. / External Link

  • Filename

    postbox-5.0.10-mac64.dmg

  • MD5 Checksum

    31353538650da98ab70e9d2805ebd7ef

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 5.0.10.


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 5.0.10 Screenshots

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

    Postbox 5.0.10 Screenshot 1
  • Postbox 5.0.10 Screenshot 2
  • Postbox 5.0.10 Screenshot 3
  • Postbox 5.0.10 Screenshot 4
  • Postbox 5.0.10 Screenshot 5

What's new in this version:

- Support for TLS 1.2
- Fixed an issue that could cause delays when returning from idle indexing
- Fixed an issue that caused language selections to be cropped in the spelling preferences panel
- Disabled App Nap on macOS
- Added more information to the Configuration Info panel