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Postbox for Mac

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Download Postbox 5.0.11

Postbox 5.0.11

  -  30.24 MB  -  Trial
  • Latest Version

    Postbox 7.0.60

  • Operating System

    Mac OS X 10.10 or later

  • User Rating

    Click to vote
  • Author / Product

    Postbox, Inc. / External Link

  • Filename

    postbox-5.0.11-mac64.dmg

  • MD5 Checksum

    1de1ddb4c2c8dab1b76030ed505a23a4

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 5.0.11.


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 5.0.11 Screenshots

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

What's new in this version:

- Support for additional TLS1.2 SHA256 ciphers
- TLS negotiation failures will now show an alert
- Updated SQLite to version 3.14.2
- Fixed several crashing bugs
- Fix to hide the Subscribe search bar when it is not needed
- Fix to prevent new tabs from opening during Quick Reply

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