sylvestrerd

Hello You can modify in the carddav_backend.php the auth type. I had the same problem of XML because the response is empty. change this line curl_setopt($this->curl, CURLOPT_HTTPAUTH, CURLAUTH_ANY); by curl_setopt($this->curl,...

https://github.com/graviox/Roundcube-CardDAV/issues/32 Mountain Lion Contacts cardDAV server sync problems.