nginx-webmail.conf

server {
    listen 80 default_server;
{% if SUBNET6 %}
    listen [::]:80 default_server;
{% endif %}
    resolver {{ RESOLVER }} valid=30s;

    root /var/www/roundcube/public_html;

    include /etc/nginx/mime.types;

    # /dev/stdout (Default), <path>, off
    access_log off;

    # /dev/stderr (Default), <path>, debug, info, notice, warn, error, crit, alert, emerg
    error_log /dev/stderr info;

    index index.php;

    # set maximum body size to configured limit
    client_max_body_size {{ MESSAGE_SIZE_LIMIT|int + 8388608 }};
    fastcgi_hide_header X-Powered-By;
    add_header X-Download-Options "noopen" always;
    add_header X-Robots-Tag "none" always;
    add_header X-Permitted-Cross-Domain-Policies "none" always;
    add_header Referrer-Policy "no-referrer" always;

    real_ip_header X-Real-IP;
    set_real_ip_from {{ FRONT_ADDRESS or "front" }};

    location / {
        try_files $uri $uri/ /index.php$args;
    }

    location ~ \.php$ {
        fastcgi_split_path_info ^(.+?\.php)(/.*)$;
        if (!-f $document_root$fastcgi_script_name) {
            return 404;
        }
        include /etc/nginx/fastcgi_params;

        fastcgi_intercept_errors on;
        fastcgi_index  index.php;

        fastcgi_keep_conn on;

        fastcgi_pass unix:/var/run/php8-fpm.sock;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        {% if WEB_WEBMAIL == '/' %}
        fastcgi_param SCRIPT_NAME $fastcgi_script_name;
        {% else %}
        fastcgi_param SCRIPT_NAME {{WEB_WEBMAIL}}/$fastcgi_script_name;
        {% endif %}
    }

    location ~ (^|/)\. {
        deny all;
    }

    location ~* /(config|temp|logs|data) {
       deny all;
    }

    location = /ping {
        allow 127.0.0.1;
        allow ::1;
        deny all;

        include /etc/nginx/fastcgi_params;
        fastcgi_index index.php;
        fastcgi_pass unix:/var/run/php8-fpm.sock;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
    }
}