GPG Keychain: Unknown problem occuring every few

Janna's Avatar


17 Dec, 2019 11:49 AM

While writing emails (with mail from Mac) every few minutes this error code is popping up. What should I do?

gpg: 033F1346EDB0CBF615813CC1A776400A3FE04757: übersprungen: Unusable public key
gpg: [stdin]: encryption failed: Unusable public key

  1. Support Staff 1 Posted by Steve on 19 Dec, 2019 12:24 AM

    Steve's Avatar

    Hi Janna,

    welcome to the GPGTools support platform. Sorry you are having problems using GPG Suite.

    It seems your OpenPGP Key and or Subkey may have expired. This KB-article explains how to extend the expiry date of your Key and Subkey in case it will soon expire or has already expired.

    Let us know if that brings you back to working state.

    We noticed you are using an old operating system. So if your system allows you may consider updating, as for very old OSs Apple does not provide security fixes.

    Best regards,

  2. 2 Posted by Janna Aljets on 19 Dec, 2019 09:31 AM

    Janna Aljets's Avatar

    That was it! Great, thank you!

  3. Support Staff 3 Posted by Steve on 19 Dec, 2019 03:34 PM

    Steve's Avatar

    Glad this is solved for you. I'm closing this discussion. Should you need further assistance or have questions you can re-open this discussion here or open a new one any time.


  4. Steve closed this discussion on 19 Dec, 2019 03:34 PM.

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