[Kolab-devel] Kolab on Debian 9 - signature outdated

[Tilman Krösche]

Dear List,

i'm trying to update my kolab-system based on debian 9. It says, that 
the repository signature is outdated. It would be really nice, if this 
can be fixed.

Greetings

Tilman Krösche

-- 
Tilman Krösche

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