NGINX Reverse Proxy mit Exchange 2016 und Outlook 2016

#Abschnitt 1
server {
        listen       80;
        server_name mail.domain.de autodiscover.domain.de;
 
        # Redirect any HTTP request to HTTPS
        return 301 https://$server_name$request_uri;
 
        error_log  /var/log/nginx/exchange-error.log;
        access_log /var/log/nginx/exchange-access.log;
}
 
#Abschnitt 2
server {
        listen       443;
        server_name mail.domain.de autodiscover.domain.de;
 
        # Enable SSL
        ssl                     on;
        ssl_certificate         /etc/nginx/certs/exchange2016-2016-10-31-startssl.pem;
        ssl_certificate_key     /etc/nginx/certs/exchange2016-2016-10-31-startssl.key;
        ssl_session_timeout     5m;
 
        # Set global proxy settings
        proxy_read_timeout      360;
 
        proxy_http_version 1.1;
        proxy_pass_request_headers on;
 
        proxy_pass_header       Date;
        proxy_pass_header       Server;
 
        proxy_set_header        Host $host;
        proxy_set_header        X-Real-IP $remote_addr;
        proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header        Accept-Encoding "";  
 
        more_set_input_headers 'Authorization: $http_authorization';  
        proxy_set_header Accept-Encoding "";  
        more_set_headers -s 401 'WWW-Authenticate: Basic realm="mail.domain.de"';  
 
        location /owa           { proxy_pass https://mail.domain.de/owa; }
        location /EWS           { proxy_pass https://mail.domain.de/EWS; }
        location /Microsoft-Server-ActiveSync { proxy_pass https://mail.domain.de/Microsoft-Server-ActiveSync; }
        location /mapi          { proxy_pass https://mail.domain.de/mapi; }
        location /rpc           { proxy_pass https://mail.domain.de/Rpc; }
        location /OAB           { proxy_pass https://mail.domain.de/OAB; }
        location /autodiscover  { proxy_pass https://mail.domain.de/autodiscover; }
        location /Autodiscover  { proxy_pass https://mail.domain.de/Autodiscover; }
 
        error_log /var/log/nginx/exchange-ssl-error.log;
        access_log /var/log/nginx/exchange-ssl-access.log;
}