Cyberduck Mountain Duck CLI

#8837 closed defect (worksforme)

The donation key is not a valid key

Reported by: alvinchiu Owned by:
Priority: high Milestone:
Component: core Version: 4.7
Severity: major Keywords: Donation Key
Cc: Architecture:
Platform: Mac OS X 10.10


After donation, received donation key as attachment. The key is then saved in mac Documents directory with file extension .cyberducklicense as ending. When double click on the license key, Cyberduck program launch with error message as pop up information windows "Not a valid donation key"

Attachments (1)

Screen Shot 2015-05-19 at 2.00.19 pm.png (1.5 MB) - added by alvinchiu on May 19, 2015 at 6:05:14 AM.
Screen Shoot of Error Encountered

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Change History (2)

Changed on May 19, 2015 at 6:05:14 AM by alvinchiu

Screen Shoot of Error Encountered

comment:1 Changed on May 19, 2015 at 12:10:48 PM by dkocher

  • Resolution set to worksforme
  • Status changed from new to closed

Make sure the donation key file is not modified when saving it from your email application. 

  • If you are using a webmail provider, try using a different browser or email client application to access your mail. 
  • Forward the mail to a different mail account where you possibly don’t have an issue downloading attachments.

You can always request a new donation key from

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