server {
    listen 80 default_server;
    listen [::]:80;
    server_name   mail.*;

    # For SSL domain validation
    root /var/www/html;
    location /.well-known/acme-challenge/ { allow all; }
    location /.well-known/pki-validation/ { allow all; }
    location / { return 301 https://$server_name$request_uri; }
}

server {
    listen 443 ssl http2 default_server;
    listen [::]:443 ssl http2;
    server_name         mail.*;

    ssl_certificate     /opt/mailcow-dockerized/data/assets/ssl/cert.pem;
    ssl_certificate_key /opt/mailcow-dockerized/data/assets/ssl/key.pem;
    ssl_dhparam /etc/nginx/ssl/dhparam.pem;
    ssl_ecdh_curve      secp384r1;

    ssl_session_timeout 7d;
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_prefer_server_ciphers on;
    ssl_ciphers               'ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:AES128-GCM-SHA256:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:AES:CAMELLIA:DES-CBC3-SHA:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!MD5:!PSK:!aECDH:!DH:!ADH:!EDH:!EDH-DSS-DES-CBC3-SHA:!EDH-RSA-DES-CBC3-SHA:!KRB5-DES-CBC3-SHA:!AES256-GCM-SHA384';

    # Change to your upload limit
    client_max_body_size 500m;

    location / {
        proxy_pass http://127.0.0.1:10080;
        proxy_buffer_size 128k;
        proxy_buffers 64 512k;
        proxy_busy_buffers_size 512k;
        proxy_set_header X-Forwarded-Proto $scheme;
        client_max_body_size 0;
        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_redirect off;
    }
}