У меня есть nginx сервер, на котором прописано следующее:
#user  nobody;
worker_processes  1;

#error_log  logs/error.log;
#error_log  logs/error.log  notice;
#error_log  logs/error.log  info;

#pid        logs/nginx.pid;


events {
    worker_connections  1024;
}


http {
    include       mime.types;
    default_type  application/octet-stream;

    #log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
    #                  '$status $body_bytes_sent "$http_referer" '
    #                  '"$http_user_agent" "$http_x_forwarded_for"';

    #access_log  logs/access.log  main;

    sendfile        on;
    #tcp_nopush     on;

    #keepalive_timeout  0;
    keepalive_timeout  65;

    #gzip  on;

    server {
        listen       80;
        server_name  localhost;

        #charset koi8-r;

        #access_log  logs/host.access.log  main;

        location / {
            root   html;
            index  index.html index.htm;
        }

        #error_page  404              /404.html;

        # redirect server error pages to the static page /50x.html
        #
        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }

        # proxy the PHP scripts to Apache listening on 127.0.0.1:80
        #
        #location ~ \.php$ {
        #    proxy_pass   http://127.0.0.1;
        #}

        # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
        #
        #location ~ \.php$ {
        #    root           html;
        #    fastcgi_pass   127.0.0.1:9000;
        #    fastcgi_index  index.php;
        #    fastcgi_param  SCRIPT_FILENAME  /scripts$fastcgi_script_name;
        #    include        fastcgi_params;
        #}

        # deny access to .htaccess files, if Apache's document root
        # concurs with nginx's one
        #
        #location ~ /\.ht {
        #    deny  all;
        #}
    }


    # another virtual host using mix of IP-, name-, and port-based configuration
    #
    #server {
    #    listen       8000;
    #    listen       somename:8080;
    #    server_name  somename  alias  another.alias;

    #    location / {
    #        root   html;
    #        index  index.html index.htm;
    #    }
    #}

HTTPS server
    server {
        listen       443 ssl;
        server_name  localhost;

        ssl_certificate      C:/Users/user/Desktop/nginx-1.26.2/certs/fullchain.pem;
        ssl_certificate_key  C:/Users/user/Desktop/nginx-1.26.2/certs/privkey.pem;

        ssl_session_cache    shared:SSL:1m;
        ssl_session_timeout  5m;

        ssl_ciphers  HIGH:!aNULL:!MD5;
        ssl_prefer_server_ciphers  on;

        location / {
            root   html;
            index  index.html index.htm;
        }
		
		error_page  500 502 503 504  /50x.html;
		location = /50x.html {
			root   html;
		}
    }

mail {
    server {
        listen 25;  # Порт для SMTP
        protocol smtp;

        # Передача клиентских соединений на локальный SMTP-сервер
        proxy_pass_error_message on;
        set_real_ip_from 127.0.0.1;
        proxy_pass smtp://127.0.0.1:25;
    }

    server {
        listen 143;  # Порт для IMAP
        protocol imap;

        # Передача клиентских соединений на локальный IMAP-сервер
        proxy_pass_error_message on;
        set_real_ip_from 127.0.0.1;
        proxy_pass imap://127.0.0.1:143;
    }
}

Мне необходимо ещё сделать через него почту в thunderbird, чтобы почта шифровалась, помоги мне и обьясни