server {
    listen 80 default_server;
    listen [::]:80 default_server;
    server_name _;
    return 404;
}

server {
    listen 80;
    listen [::]:80;
    server_name solit.cn mail.solit.cn smtp.solit.cn imap.solit.cn pop.solit.cn;

    location ^~ /.well-known/acme-challenge/ {
        root /var/lib/smail-acme;
        default_type text/plain;
        try_files $uri =404;
    }

    location / {
        return 308 https://mail.solit.cn$request_uri;
    }
}

server {
    listen 443 ssl default_server;
    listen [::]:443 ssl default_server;
    server_name _;
    ssl_reject_handshake on;
}

server {
    listen 443 ssl;
    listen [::]:443 ssl;
    server_name solit.cn smtp.solit.cn imap.solit.cn pop.solit.cn;
    ssl_certificate /var/lib/smail-acme-tls/certificates/solit.cn.crt;
    ssl_certificate_key /var/lib/smail-acme-tls/certificates/solit.cn.key;
    return 308 https://mail.solit.cn$request_uri;
}

server {
    listen 443 ssl;
    listen [::]:443 ssl;
    server_name mail.solit.cn;
    ssl_certificate /var/lib/smail-acme-tls/certificates/solit.cn.crt;
    ssl_certificate_key /var/lib/smail-acme-tls/certificates/solit.cn.key;

    location / {
        proxy_pass https://127.0.0.1:8002;
        proxy_http_version 1.1;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $remote_addr;
        proxy_set_header X-Forwarded-Proto https;
        proxy_set_header Connection "";
        proxy_ssl_server_name on;
        proxy_ssl_name mail.solit.cn;
        proxy_ssl_verify on;
        proxy_ssl_verify_depth 3;
        proxy_ssl_trusted_certificate /etc/ssl/certs/ca-certificates.crt;
        proxy_connect_timeout 5s;
        proxy_read_timeout 90s;
        proxy_send_timeout 90s;
    }
}