Installation of root certificate of the Alberding GmbH

Installation Firefox

  • Click following link: Alberding GmbH Root certificate 2024
  • Select "Trust this CA to identify websites." and press "OK".
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  • To be sure delete all other and older certificates with the name "Alberding" (certificate settings similar to Thunderbird, see below).

Installation Chrome

  • Click following link: Alberding GmbH Root certificate 2024 and save the file
  • Select under Settings / Advanced the point "Manage certificates".
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  • Select Import in tab Authorities.
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  • Select "Trust this certificate for identifying websites." and press "OK".
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  • To be sure delete all other and older certificates with the name "Alberding".

Installation Thunderbird

  • Click following link with right mouse button: Alberding GmbH Root certificate 2024 and choose "Save Link As..." (store the file at a place you find again later).
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  • Open preferences in Thunderbird:
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  • Choose section "Advanced" in Thunderbird preferences and there the tab "Certificates" and click "View Certificates":
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  • Select "Import" in the tab "Authorities" and choose the previously saved file:
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  • Select "Trust this CA to identify websites." and press "OK".
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  • To be sure delete all other and older certificates with the name "Alberding".
  • P.S. The mail server has always the name "mail.gnssonline.eu", other names may work sometimes, but never completely correct.

Installation Internet Explorer and Outlook Express

  • Click the following link with the right mouse button: Alberding GmbH Root certificate 2024 and choose "Save Link As..." (store the file at a place you find again later).
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  • Open the Control Panel from Start Menu / Settings:
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  • Select Internet Options:
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  • In the Content tab click on the "Certificates" button:
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  • Click "Import" in the "Trusted Root Certification Authorities" tab, click "Next" and browse the saved certificate file:
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  • Click "Next" and "Finish", until the end of the dialogue.
  • Accept the Security Warning and click "Yes" to install the certificate:
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  • To be sure delete all other and older certificates with the name "Alberding".