Hi, Thank you for your fast reply ! I'm using SOGo 1.3.0 and yes, the calendar works properly by a web browser. In fact, it requires an authentication.
I've already tried with something like that : https://user:passw...@url and with Evolution, I can see the calendar with webdav://URL and a secured connexion.
-- users@sogo.nu https://inverse.ca/sogo/lists