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

Postbox for Mac

Postbox 5.0.5

  -  26.06 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-5.0.5-mac64.dmg

  • MD5 Checksum

    3cfd831e5966c18b03002ee55c194dc3

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 5.0.5.


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 5.0.5 Screenshots

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

    Postbox 5.0.5 Screenshot 1
  • Postbox 5.0.5 Screenshot 2
  • Postbox 5.0.5 Screenshot 3
  • Postbox 5.0.5 Screenshot 4
  • Postbox 5.0.5 Screenshot 5

What's new in this version:

- For Quick Post, the send action type can now be explicitly set within the Quick Post editor
- You can now perform Address Books searches in the Compose Sidebar by navigating to Options (pc) or Preferences (mac) / Composition / Addressing, and then by selecting between Address Books or Recent Contacts
- Attachment area will now scroll when a high number of files are attached
- Local mail importer will now recursively walk through folders when no mail files are found at the root level
- Local mail importer will now ignore Account Groups in the Local Mail directories
- Made the application icon on macOS slightly smaller to match other circular icons and to address some rounding artifacts
- Added path for local folders to Configuration Data
- Fixed a crash that could occur when Quick Posting with attachments
- Updated some localizations based on user feedback