documentation/Machines virtuelles/mail.md

Machine virtuelle MAIL

Cette machine est destinée à accueillir le serveur d'envoi, réception et consultation de courriel de l'association.

Matériel virtuel

CPU : 2
RAM : 1000 Mio Stockage de masse : 50 Gio

Logiciel

Système d'exploitation : Debian GNU/Linux-libre 11 (Bullseye)
Noyau : Linux-libre LTS (linux-libre-lts des dépôts https://linux-libre.fsfla.org)
Sécurités de la maintenance : etckeeper, mollyguard, git, tig, screen
Serveur IMAP (et authentification) : courier
Mail Transfer Agent : postfix
Webmail : roundcube (upstream)
Serveur http : nginx

Caractéristiques notables

Domaine : mail.a-lec.org
Adresse ipv4 publique : 80.67.179.96
Adresse ipv4 interne : 192.169.1.201
Adresse ipv6 publique : 2001:910:1360::148

Configuration réseau

/etc/network/interfaces

# The primary network interface
allow-hotplug enp1s0
iface enp1s0 inet dhcp
iface enp1s0 inet6 static
    address 2001:910:1360::148/128
    gateway 2001:910:1360::

/etc/host.allow

sshd: 192.169.1.0/24, [2001:910:1360::]/48

/etc/host/deny

sshd: ALL

Configuration MTA

(à compléter)

Configuration serveur web (nginx)

server {
        set_real_ip_from  192.169.1.1;
        real_ip_header proxy_protocol;

    listen 443 ssl proxy_protocol;
    listen [::]:443 ssl;

    ssl_certificate /etc/letsencrypt/live/mail.a-lec.org/fullchain.pem; # managed by Certbot
    ssl_certificate_key /etc/letsencrypt/live/mail.a-lec.org/privkey.pem; # managed by Certbot
    include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot

    # Add index.php to the list if you are using PHP
    root /var/www/html/roundcube;

    server_name mail.a-lec.org;

    client_max_body_size 100M;

    # Add index.php to the list if you are using PHP
        index index.html index.htm index.php;


    location / {
        # First attempt to serve request as file, then
        # as directory, then fall back to displaying a 404.
        try_files $uri $uri/ /index.php?q=$uri&$args;
    }

    # pass PHP scripts to FastCGI server
    #
    location ~ \.php$ {
        include snippets/fastcgi-php.conf;
    #    # With php-fpm (or other unix sockets):
        fastcgi_pass unix:/run/php/php7.4-fpm.sock;
    #    # With php-cgi (or other tcp sockets):
    #    fastcgi_pass 127.0.0.1:9000;
             fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
         include fastcgi_params;
    }

    location ^~ /data {
        deny all;
    }
}