According to:  https://wiki.trinitydesktop.org/Preliminary_Stable_Builds

I should do :
apt-key adv --keyserver keys.gnupg.net --recv-key A04BE668

In order to get the Debian Stretch version installed.

But the message I get when trying this is:

Executing: /tmp/apt-key-gpghome.NclvApGG4K/gpg.1.sh --keyserver 
keys.gnupg.net --recv-key A04BE668
gpg: keyserver receive failed: No keyserver available


Any suggestions?

cheers

anthony

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