exchange.conf

server {
    listen          80;
    server_name     webmail.meinedomain.de;
    return 301      https://$server_name$request_uri;
}

server {
    listen 443;

    # rewrite ^/$ https://webmail.meinedomain.de/owa permanent;

    ssl on;
    ssl_certificate /etc/nginx/certs/ssl_webmail.crt;
    ssl_certificate_key /etc/nginx/certs/ssl_webmail.key;   
    ssl_session_timeout 5m;

    server_name webmail.meinedomain.de;

    location / {
        return 301 https://webmail.meinedomain.de/owa;
    }

    proxy_read_timeout 360;
    proxy_connect_timeout 360;

    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 "";

    location /owa { proxy_pass https://test.test.local/owa; }
    location /exchange { proxy_pass https://test.test.local/exchange; }
    location /ews { proxy_pass https://test.test.local/ews; }
    location /Microsoft-Server-ActiveSync { proxy_pass https://test.test.local/Microsoft-Server-ActiveSync; }

    error_log /var/log/nginx/exchange-ssl-error.log;
    access_log /var/log/nginx/exchange-ssl-access.log;
}