2021-11-16 21:06:50 +01:00
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## Machine virtuelle MAIL
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2021-10-03 13:54:35 +02:00
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Cette machine est destinée à accueillir le serveur d'envoi, réception et consultation de courriel de l'association.
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### Matériel virtuel
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CPU : 2
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RAM : 1000 Mio
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Stockage de masse : 50 Gio
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### Logiciel
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Système d'exploitation : Debian GNU/Linux-libre 11 (Bullseye)
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Noyau : Linux-libre LTS (`linux-libre-lts` des dépôts https://linux-libre.fsfla.org)
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Sécurités de la maintenance : `etckeeper`, `mollyguard`, `git`, `tig`, `screen`
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Serveur IMAP (et authentification) : `courier`
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Mail Transfer Agent : `postfix`
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Webmail : `roundcube` (**upstream**)
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Serveur http : `nginx`
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### Caractéristiques notables
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Domaine : mail.a-lec.org
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2021-11-27 01:18:14 +01:00
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Adresse ipv4 publique : 80.67.176.33
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Adresse ipv4 interne : 192.168.1.201
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Adresse ipv6 publique : 2001:910:1021::201
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2021-11-16 19:02:04 +01:00
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2021-11-16 19:49:02 +01:00
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### Configuration MTA
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2021-12-15 00:20:12 +01:00
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<details>
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# See /usr/share/postfix/main.cf.dist for a commented, more complete version
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# Debian specific: Specifying a file name will cause the first
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# line of that file to be used as the name. The Debian default
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# is /etc/mailname.
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#myorigin = /etc/mailname
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smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU)
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biff = no
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# appending .domain is the MUA's job.
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append_dot_mydomain = no
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# Uncomment the next line to generate "delayed mail" warnings
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#delay_warning_time = 4h
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readme_directory = no
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# See http://www.postfix.org/COMPATIBILITY_README.html -- default to 2 on
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# fresh installs.
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compatibility_level = 2
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# TLS parameters
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smtpd_tls_cert_file=/etc/letsencrypt/live/mail.a-lec.org/fullchain.pem
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smtpd_tls_key_file=/etc/letsencrypt/live/mail.a-lec.org/privkey.pem
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smtpd_tls_security_level = may
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smtpd_tls_auth_only = yes
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smtpd_tls_mandatory_protocols=!SSLv2,!SSLv3
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smtpd_tls_protocols=!SSLv2,!SSLv3
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smtpd_tls_loglevel = 1
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smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
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smtp_tls_cert_file=/etc/letsencrypt/live/mail.a-lec.org/fullchain.pem
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smtp_tls_key_file=/etc/letsencrypt/live/mail.a-lec.org/privkey.pem
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smtp_tls_security_level = may
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smtp_tls_note_starttls_offer = yes
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smtp_tls_mandatory_protocols=!SSLv2,!SSLv3
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smtp_tls_protocols=!SSLv2,!SSLv3
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smtp_tls_loglevel = 1
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smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
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# See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for
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# information on enabling SSL in the smtp client.
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smtpd_relay_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination
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smtpd_sender_restrictions = reject_unknown_sender_domain
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myhostname = mail.a-lec.org
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alias_maps = hash:/etc/aliases
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alias_database = hash:/etc/aliases
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myorigin = /etc/mailname
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mydestination = $myhostname, a-lec.org, mail.a-lec.org, localhost, os-k.eu
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relayhost =
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mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 192.169.1.0/24
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mailbox_size_limit = 0
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recipient_delimiter = +
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inet_interfaces = all
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inet_protocols = all
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home_mailbox = Maildir/
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virtual_alias_maps = hash:/etc/postfix/virtual
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mailbox_command =
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## DKIM
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smtpd_milters = unix:var/run/opendkim/opendkim.sock
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non_smtpd_milters = unix:var/run/opendkim/opendkim.sock
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## Ralentissement pour les serveurs problématiques
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transport_maps = hash:/etc/postfix/transport
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slow_destination_concurrency_limit = 3
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slow_destination_rate_delay = 3s
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maximal_queue_lifetime = 1d
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## Forwarding pour mails du bureau
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recipient_bcc_maps = hash:/etc/postfix/recipient_bcc
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message_size_limit = 524288000
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smtp_helo_name = $mydomain
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</details>
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2021-11-16 21:06:50 +01:00
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### Configuration serveur web (nginx)
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2021-11-16 23:36:03 +01:00
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<details>
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2021-11-16 21:06:50 +01:00
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server {
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set_real_ip_from 192.169.1.1;
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real_ip_header proxy_protocol;
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listen 443 ssl proxy_protocol;
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listen [::]:443 ssl;
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ssl_certificate /etc/letsencrypt/live/mail.a-lec.org/fullchain.pem; # managed by Certbot
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ssl_certificate_key /etc/letsencrypt/live/mail.a-lec.org/privkey.pem; # managed by Certbot
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include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
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ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot
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# Add index.php to the list if you are using PHP
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root /var/www/html/roundcube;
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server_name mail.a-lec.org;
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client_max_body_size 100M;
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# Add index.php to the list if you are using PHP
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index index.html index.htm index.php;
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location / {
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# First attempt to serve request as file, then
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# as directory, then fall back to displaying a 404.
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try_files $uri $uri/ /index.php?q=$uri&$args;
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}
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# pass PHP scripts to FastCGI server
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#
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location ~ \.php$ {
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include snippets/fastcgi-php.conf;
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# # With php-fpm (or other unix sockets):
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fastcgi_pass unix:/run/php/php7.4-fpm.sock;
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# # With php-cgi (or other tcp sockets):
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# fastcgi_pass 127.0.0.1:9000;
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fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
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include fastcgi_params;
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}
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location ^~ /data {
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deny all;
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}
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}
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2021-11-16 23:36:03 +01:00
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2021-11-17 12:31:10 +01:00
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</details>
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