if anyone have the resolve "/.well-known/caldav warning here is how i fix it   go to you letsencrypt nginx folder sites-config and add this lines   location = /.well-known/carddav {       return 301 $scheme://$host/remote.php/dav;     }     location = /.well-known/caldav {       return 301 $scheme://$host/remote.php/dav;     }   hope this can help anyone with this problem
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