Hi Uwe, Am Sonntag 07 Juni 2020 17:14:10 schrieb Uwe Brauer via Gnupg-users: > However the root certificate is still not found. Thunderbird provides > this certificate so I could install it manually. > However I would prefer an automated solution.
from my point of view, installing a root CA in the hiearchical trust model means that you fully trust it, thus it cannot be done automatically, unless you have a trusted sources of root certificates. If you trust a set of root certificates, like the ones shipped with your operating system or a different application, you could just import them all and mark them trusted. Of course you would need to sync this, if the set changes on updates. Some hints about using CMS and S/MIME are here https://wiki.gnupg.org/X.509 but this misses instructions how to deal with root certificates in modern GnuPG versions currently. Regards, Bernhard -- www.intevation.de/~bernhard +49 541 33 508 3-3 Intevation GmbH, Osnabrück, DE; Amtsgericht Osnabrück, HRB 18998 Geschäftsführer Frank Koormann, Bernhard Reiter, Dr. Jan-Oliver Wagner
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