Sogo appliance #1165
Description
It recently occurred to me that TurnKey hasn't had a good "groupware" appliance for some time now.
Sogo seems like a decent option?
There is a v3.2.6 Sogo package in Debian Stretch.
Alternatively, they provide their own repo. Having said that, the upstream repo is "nightlies" (i.e. nightly builds) so may not be ideal for production. They do provide stable packages, but they require a (purchased) support contract (to get the relevant required login).