refactor: split mail into modules
This commit is contained in:
parent
3979e9b2b9
commit
71fdea75be
GPG key ID:
B95E8FE6B11C4D09
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@ -44,7 +44,7 @@
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quitte = self.nixosConfigurations.quitte.config.system.build.toplevel;
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tomate = self.nixosConfigurations.tomate.config.system.build.toplevel;
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});
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formatters = forAllSystems (system: rec {
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formatters = forAllSystems (system: {
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default = pkgs.${system}.nixpkgs-fmt;
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});
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hydraJobs = forAllSystems (system: {
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@ -96,7 +96,6 @@
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./modules/nextcloud.nix
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./modules/matrix.nix
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./modules/mautrix-telegram.nix
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./modules/sogo.nix
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./modules/vaultwarden.nix
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./modules/website.nix
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./modules/zsh.nix
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@ -1,426 +1,25 @@
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{ config, pkgs, ... }:
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{ config, ... }:
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let
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hostname = "mail.${config.networking.domain}";
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domain = config.networking.domain;
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rspamd-domain = "rspamd.${config.networking.domain}";
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dovecot-ldap-args = pkgs.writeText "ldap-args" ''
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uris = ldap://localhost
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dn = uid=search, ou=users, dc=ifsr, dc=de
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auth_bind = yes
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!include ${config.sops.secrets."dovecot_ldap_search".path}
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ldap_version = 3
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scope = subtree
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base = dc=ifsr, dc=de
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user_filter = (&(objectClass=posixAccount)(uid=%n))
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pass_filter = (&(objectClass=posixAccount)(uid=%n))
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'';
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# see https://www.kuketz-blog.de/e-mail-anbieter-ip-stripping-aus-datenschutzgruenden/
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header_cleanup = pkgs.writeText "header_cleanup_outgoing" ''
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/^\s*(Received: from)[^\n]*(.*)/ REPLACE $1 127.0.0.1 (localhost [127.0.0.1])$2
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/^\s*User-Agent/ IGNORE
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/^\s*X-Enigmail/ IGNORE
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/^\s*X-Mailer/ IGNORE
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/^\s*X-Originating-IP/ IGNORE
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/^\s*Mime-Version/ IGNORE
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'';
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# https://unix.stackexchange.com/questions/294300/postfix-prevent-users-from-changing-the-real-e-mail-address
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login_maps = pkgs.writeText "login_maps.pcre" ''
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# basic username => username@ifsr.de
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/^([^@+]*)(\+[^@]*)?@ifsr\.de$/ ''${1}
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'';
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in
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{
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sops.secrets."rspamd-password".owner = config.users.users.rspamd.name;
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sops.secrets."dovecot_ldap_search".owner = config.services.dovecot2.user;
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sops.secrets."postfix_ldap_aliases".owner = config.services.postfix.user;
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networking.firewall.allowedTCPPorts = [
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25 # insecure SMTP
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143
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465
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587 # SMTP
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993 # IMAP
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4190 # sieve
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imports = [
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./postfix.nix
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./dovecot2.nix
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./rspamd.nix
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./sogo.nix
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./mailman.nix
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];
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users.users.rspamd.extraGroups = [ "redis-rspamd" ];
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environment.etc = {
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"dovecot/sieve-pipe/sa-learn-spam.sh" = {
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text = ''
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#!/bin/sh
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${pkgs.rspamd}/bin/rspamc learn_spam
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'';
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mode = "0555";
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};
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"dovecot/sieve-pipe/sa-learn-ham.sh" = {
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text = ''
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#!/bin/sh
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${pkgs.rspamd}/bin/rspamc learn_ham
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'';
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mode = "0555";
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};
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"dovecot/sieve/report-spam.sieve" = {
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source = ./report-spam.sieve;
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user = "dovecot2";
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group = "dovecot2";
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mode = "0544";
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};
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"dovecot/sieve/report-ham.sieve" = {
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source = ./report-ham.sieve;
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user = "dovecot2";
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group = "dovecot2";
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mode = "0544";
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};
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};
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services = {
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postfix = {
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enable = true;
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enableSubmission = true;
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enableSubmissions = true;
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hostname = "${hostname}";
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domain = "${domain}";
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origin = "${domain}";
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destination = [ "${hostname}" "${domain}" "localhost" ];
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networksStyle = "host"; # localhost and own public IP
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sslCert = "/var/lib/acme/${hostname}/fullchain.pem";
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sslKey = "/var/lib/acme/${hostname}/key.pem";
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relayDomains = [ "hash:/var/lib/mailman/data/postfix_domains" ];
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config = {
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home_mailbox = "Maildir/";
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# 25 MiB
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message_size_limit = "26214400";
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# hostname used in helo command. It is recommended to have this match the reverse dns entry
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smtp_helo_name = config.networking.rDNS;
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smtpd_banner = "${config.networking.rDNS} ESMTP $mail_name";
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smtp_use_tls = true;
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# smtp_tls_security_level = "encrypt";
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smtpd_use_tls = true;
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# smtpd_tls_security_level = lib.mkForce "encrypt";
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# smtpd_tls_auth_only = true;
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smtpd_tls_protocols = [
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"!SSLv2"
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"!SSLv3"
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"!TLSv1"
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"!TLSv1.1"
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];
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# "reject_non_fqdn_hostname"
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smtpd_recipient_restrictions = [
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"permit_sasl_authenticated"
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"permit_mynetworks"
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"reject_unauth_destination"
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"reject_non_fqdn_sender"
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"reject_non_fqdn_recipient"
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"reject_unknown_sender_domain"
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"reject_unknown_recipient_domain"
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"reject_unauth_destination"
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"reject_unauth_pipelining"
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"reject_invalid_hostname"
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"check_policy_service inet:localhost:12340"
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];
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smtpd_relay_restrictions = [
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"permit_sasl_authenticated"
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"permit_mynetworks"
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"reject_unauth_destination"
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];
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# https://www.postfix.org/smtp-smuggling.html
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smtpd_data_restrictions = [
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"reject_unauth_pipelining"
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];
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smtpd_sender_restrictions = [
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"reject_authenticated_sender_login_mismatch"
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];
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smtpd_sender_login_maps = [
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"pcre:/etc/special-aliases.pcre"
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"pcre:${login_maps}"
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];
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smtp_header_checks = "pcre:${header_cleanup}";
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# smtpd_sender_login_maps = [ "ldap:${ldap-senders}" ];
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alias_maps = [ "hash:/etc/aliases" ];
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alias_database = [ "hash:/etc/aliases" ];
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# alias_maps = [ "hash:/etc/aliases" "ldap:${ldap-aliases}" ];
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smtpd_sasl_auth_enable = true;
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smtpd_sasl_path = "/var/lib/postfix/auth";
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smtpd_sasl_type = "dovecot";
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#mailman stuff
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mailbox_transport = "lmtp:unix:/run/dovecot2/dovecot-lmtp";
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transport_maps = [ "hash:/var/lib/mailman/data/postfix_lmtp" ];
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virtual_alias_maps = [ "hash:/var/lib/mailman/data/postfix_vmap" ];
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local_recipient_maps = [ "hash:/var/lib/mailman/data/postfix_lmtp" "ldap:${config.sops.secrets."postfix_ldap_aliases".path}" "$alias_maps" ];
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};
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};
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dovecot2 = {
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enable = true;
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enableImap = true;
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enableQuota = true;
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quotaGlobalPerUser = "10G";
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enableLmtp = true;
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enablePAM = false;
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mailLocation = "maildir:~/Maildir";
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sslServerCert = "/var/lib/acme/${hostname}/fullchain.pem";
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sslServerKey = "/var/lib/acme/${hostname}/key.pem";
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protocols = [ "imap" "sieve" ];
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mailPlugins = {
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globally.enable = [ "listescape" ];
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perProtocol = {
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imap = {
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enable = [ "imap_sieve" "imap_filter_sieve" ];
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};
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lmtp = {
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enable = [ "sieve" ];
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};
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};
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};
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mailboxes = {
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Spam = {
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auto = "subscribe";
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specialUse = "Junk";
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autoexpunge = "60d";
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};
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Sent = {
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auto = "subscribe";
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specialUse = "Sent";
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};
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Drafts = {
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auto = "subscribe";
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specialUse = "Drafts";
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};
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Trash = {
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auto = "subscribe";
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specialUse = "Trash";
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};
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Archive = {
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auto = "no";
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specialUse = "Archive";
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};
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};
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modules = [
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pkgs.dovecot_pigeonhole
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];
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# set to satisfy the sieveScripts check, will be overridden by userdb lookups anyways
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mailUser = "vmail";
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mailGroup = "vmail";
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sieveScripts = {
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before = pkgs.writeText "spam.sieve" ''
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require "fileinto";
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if anyof(
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header :contains "x-spam-flag" "yes",
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header :contains "X-Spam-Status" "Yes"){
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fileinto "Spam";
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}
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'';
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};
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extraConfig = ''
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auth_username_format = %Ln
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passdb {
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driver = ldap
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args = ${dovecot-ldap-args}
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}
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userdb {
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driver = ldap
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args = ${dovecot-ldap-args}
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}
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service auth {
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unix_listener /var/lib/postfix/auth {
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group = postfix
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mode = 0660
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user = postfix
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}
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}
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service managesieve-login {
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inet_listener sieve {
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port = 4190
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}
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service_count = 1
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}
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namespace inbox {
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separator = /
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inbox = yes
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}
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service lmtp {
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unix_listener dovecot-lmtp {
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group = postfix
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mode = 0600
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user = postfix
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}
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client_limit = 1
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}
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plugin {
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sieve_plugins = sieve_imapsieve sieve_extprograms
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sieve_global_extensions = +vnd.dovecot.pipe
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sieve_pipe_bin_dir = /etc/dovecot/sieve-pipe
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# Spam: From elsewhere to Spam folder or flag changed in Spam folder
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imapsieve_mailbox1_name = Spam
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imapsieve_mailbox1_causes = COPY APPEND FLAG
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imapsieve_mailbox1_before = file:/etc/dovecot/sieve/report-spam.sieve
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# Ham: From Spam folder to elsewhere
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imapsieve_mailbox2_name = *
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imapsieve_mailbox2_from = Spam
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imapsieve_mailbox2_causes = COPY
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imapsieve_mailbox2_before = file:/etc/dovecot/sieve/report-ham.sieve
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# https://doc.dovecot.org/configuration_manual/plugins/listescape_plugin/
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listescape_char = "\\"
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}
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'';
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};
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rspamd = {
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enable = true;
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postfix.enable = true;
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locals = {
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"worker-controller.inc".source = config.sops.secrets."rspamd-password".path;
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"redis.conf".text = ''
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read_servers = "/run/redis-rspamd/redis.sock";
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write_servers = "/run/redis-rspamd/redis.sock";
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'';
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# headers in spamassasin style to not break old sieve scripts
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"worker-proxy.inc".text = ''
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spam_header = "X-Spam-Flag";
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'';
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"milter_headers.conf".text = ''
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use = ["x-spam-level", "x-spam-status", "x-spamd-result", "authentication-results" ];
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'';
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"neural.conf".text = ''
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servers = "/run/redis-rspamd/redis.sock";
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enabled = true;
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'';
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"neural_group.conf".text = ''
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symbols = {
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"NEURAL_SPAM" {
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weight = 0.5; # fairly low weight since we don't know how this will behave
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description = "Neural network spam";
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}
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"NEURAL_HAM" {
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weight = -0.5;
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description = "Neural network ham";
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}
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}
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'';
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"dmarc.conf".text = ''
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reporting {
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enabled = true;
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email = 'reports@${config.networking.domain}';
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domain = '${config.networking.domain}';
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org_name = '${config.networking.domain}';
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from_name = 'DMARC Aggregate Report';
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}
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'';
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"dkim_signing.conf".text = ''
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selector = "quitte2024";
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allow_username_mismatch = true;
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allow_hdrfrom_mismatch = true;
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use_domain_sign_local = "ifsr.de";
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path = /var/lib/rspamd/dkim/$domain.$selector.key;
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'';
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"multimap.conf".text =
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let
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local_ips = pkgs.writeText "localhost.map" ''
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::1
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127.0.0.1
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'';
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tud_ips = pkgs.writeText "tud.map" ''
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141.30.0.0/16
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141.76.0.0/16
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'';
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in
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''
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WHITELIST_SENDER_DOMAIN {
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type = "from";
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filter = "email:domain";
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map = "/var/lib/rspamd/whitelist.sender.domain.map";
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action = "accept";
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}
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WHITELIST_SENDER_EMAIL {
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type = "from";
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map = "/var/lib/rspamd/whitelist.sender.email.map";
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action = "accept";
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}
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BLACKLIST_SENDER_DOMAIN {
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type = "from";
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filter = "email:domain";
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map = "/var/lib/rspamd/blacklist.sender.domain.map";
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action = "reject";
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}
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BLACKLIST_SENDER_EMAIL {
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type = "from";
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map = "/var/lib/rspamd/blacklist.sender.email.map";
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action = "reject";
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}
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BLACKLIST_SUBJECT_KEYWORDS {
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type = "header";
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header = "Subject"
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map = "/var/lib/rspamd/blacklist.keyword.subject.map";
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action = "reject";
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regexp = true;
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}
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RECEIVED_LOCALHOST {
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type = "ip";
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action = "accept";
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map = ${local_ips};
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}
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RECEIVED_TU_NETWORKS {
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type = "ip";
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map = ${tud_ips};
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}
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'';
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};
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};
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redis = {
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vmOverCommit = true;
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servers.rspamd = {
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enable = true;
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};
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};
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nginx = {
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enable = true;
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recommendedGzipSettings = true;
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recommendedOptimisation = true;
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recommendedProxySettings = true;
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recommendedTlsSettings = true;
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virtualHosts."${hostname}" = {
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# Get SSL certs for dovecot and postfix via ngnix
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services.nginx.virtualHosts."${hostname}" = {
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forceSSL = true;
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enableACME = true;
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};
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virtualHosts."${rspamd-domain}" = {
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forceSSL = true;
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enableACME = true;
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locations = {
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"/" = {
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proxyPass = "http://127.0.0.1:11334";
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proxyWebsockets = true;
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};
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};
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};
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};
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};
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security.acme.certs."${domain}" = {
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security.acme.certs."${hostname}" = {
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reloadServices = [
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"postfix.service"
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"dovecot2.service"
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];
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};
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systemd = {
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services.rspamd-dmarc-report = {
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description = "rspamd dmarc reporter";
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serviceConfig = {
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Type = "oneshot";
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ExecStart = "${pkgs.rspamd}/bin/rspamadm dmarc_report -v";
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User = "rspamd";
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Group = "rspamd";
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};
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startAt = "daily";
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};
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};
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}
|
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|
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|
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175
modules/mail/dovecot2.nix
Normal file
175
modules/mail/dovecot2.nix
Normal file
|
|
@ -0,0 +1,175 @@
|
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{ config, pkgs, ... }:
|
||||
let
|
||||
hostname = "mail.${config.networking.domain}";
|
||||
dovecot-ldap-args = pkgs.writeText "ldap-args" ''
|
||||
uris = ldap://localhost
|
||||
dn = uid=search, ou=users, dc=ifsr, dc=de
|
||||
auth_bind = yes
|
||||
!include ${config.sops.secrets."dovecot_ldap_search".path}
|
||||
|
||||
ldap_version = 3
|
||||
scope = subtree
|
||||
base = dc=ifsr, dc=de
|
||||
user_filter = (&(objectClass=posixAccount)(uid=%n))
|
||||
pass_filter = (&(objectClass=posixAccount)(uid=%n))
|
||||
'';
|
||||
in
|
||||
{
|
||||
networking.firewall.allowedTCPPorts = [
|
||||
143 # IMAP
|
||||
993 # IMAPS
|
||||
4190 # Managesieve
|
||||
];
|
||||
sops.secrets."dovecot_ldap_search".owner = config.services.dovecot2.user;
|
||||
environment.etc = {
|
||||
"dovecot/sieve-pipe/sa-learn-spam.sh" = {
|
||||
text = ''
|
||||
#!/bin/sh
|
||||
${pkgs.rspamd}/bin/rspamc learn_spam
|
||||
'';
|
||||
mode = "0555";
|
||||
};
|
||||
"dovecot/sieve-pipe/sa-learn-ham.sh" = {
|
||||
text = ''
|
||||
#!/bin/sh
|
||||
${pkgs.rspamd}/bin/rspamc learn_ham
|
||||
'';
|
||||
mode = "0555";
|
||||
};
|
||||
"dovecot/sieve/report-spam.sieve" = {
|
||||
source = ./report-spam.sieve;
|
||||
user = "dovecot2";
|
||||
group = "dovecot2";
|
||||
mode = "0544";
|
||||
};
|
||||
"dovecot/sieve/report-ham.sieve" = {
|
||||
source = ./report-ham.sieve;
|
||||
user = "dovecot2";
|
||||
group = "dovecot2";
|
||||
mode = "0544";
|
||||
};
|
||||
};
|
||||
|
||||
services.dovecot2 = {
|
||||
enable = true;
|
||||
enableImap = true;
|
||||
enableQuota = true;
|
||||
quotaGlobalPerUser = "10G";
|
||||
enableLmtp = true;
|
||||
enablePAM = false;
|
||||
mailLocation = "maildir:~/Maildir";
|
||||
sslServerCert = "/var/lib/acme/${hostname}/fullchain.pem";
|
||||
sslServerKey = "/var/lib/acme/${hostname}/key.pem";
|
||||
protocols = [ "imap" "sieve" ];
|
||||
mailPlugins = {
|
||||
globally.enable = [ "listescape" ];
|
||||
perProtocol = {
|
||||
imap = {
|
||||
enable = [ "imap_sieve" "imap_filter_sieve" ];
|
||||
};
|
||||
lmtp = {
|
||||
enable = [ "sieve" ];
|
||||
};
|
||||
};
|
||||
};
|
||||
mailboxes = {
|
||||
Spam = {
|
||||
auto = "subscribe";
|
||||
specialUse = "Junk";
|
||||
autoexpunge = "60d";
|
||||
};
|
||||
Sent = {
|
||||
auto = "subscribe";
|
||||
specialUse = "Sent";
|
||||
};
|
||||
Drafts = {
|
||||
auto = "subscribe";
|
||||
specialUse = "Drafts";
|
||||
};
|
||||
Trash = {
|
||||
auto = "subscribe";
|
||||
specialUse = "Trash";
|
||||
};
|
||||
Archive = {
|
||||
auto = "no";
|
||||
specialUse = "Archive";
|
||||
};
|
||||
};
|
||||
modules = [
|
||||
pkgs.dovecot_pigeonhole
|
||||
];
|
||||
# set to satisfy the sieveScripts check, will be overridden by userdb lookups anyways
|
||||
mailUser = "vmail";
|
||||
mailGroup = "vmail";
|
||||
sieveScripts = {
|
||||
before = pkgs.writeText "spam.sieve" ''
|
||||
require "fileinto";
|
||||
|
||||
if anyof(
|
||||
header :contains "x-spam-flag" "yes",
|
||||
header :contains "X-Spam-Status" "Yes"){
|
||||
fileinto "Spam";
|
||||
}
|
||||
'';
|
||||
};
|
||||
extraConfig = ''
|
||||
auth_username_format = %Ln
|
||||
passdb {
|
||||
driver = ldap
|
||||
args = ${dovecot-ldap-args}
|
||||
}
|
||||
userdb {
|
||||
driver = ldap
|
||||
args = ${dovecot-ldap-args}
|
||||
}
|
||||
service auth {
|
||||
unix_listener /var/lib/postfix/auth {
|
||||
group = postfix
|
||||
mode = 0660
|
||||
user = postfix
|
||||
}
|
||||
}
|
||||
service managesieve-login {
|
||||
inet_listener sieve {
|
||||
port = 4190
|
||||
}
|
||||
service_count = 1
|
||||
}
|
||||
|
||||
namespace inbox {
|
||||
separator = /
|
||||
inbox = yes
|
||||
}
|
||||
|
||||
service lmtp {
|
||||
unix_listener dovecot-lmtp {
|
||||
group = postfix
|
||||
mode = 0600
|
||||
user = postfix
|
||||
}
|
||||
client_limit = 1
|
||||
}
|
||||
|
||||
|
||||
plugin {
|
||||
sieve_plugins = sieve_imapsieve sieve_extprograms
|
||||
sieve_global_extensions = +vnd.dovecot.pipe
|
||||
sieve_pipe_bin_dir = /etc/dovecot/sieve-pipe
|
||||
|
||||
# Spam: From elsewhere to Spam folder or flag changed in Spam folder
|
||||
imapsieve_mailbox1_name = Spam
|
||||
imapsieve_mailbox1_causes = COPY APPEND FLAG
|
||||
imapsieve_mailbox1_before = file:/etc/dovecot/sieve/report-spam.sieve
|
||||
|
||||
# Ham: From Spam folder to elsewhere
|
||||
imapsieve_mailbox2_name = *
|
||||
imapsieve_mailbox2_from = Spam
|
||||
imapsieve_mailbox2_causes = COPY
|
||||
imapsieve_mailbox2_before = file:/etc/dovecot/sieve/report-ham.sieve
|
||||
|
||||
# https://doc.dovecot.org/configuration_manual/plugins/listescape_plugin/
|
||||
listescape_char = "\\"
|
||||
}
|
||||
'';
|
||||
};
|
||||
}
|
||||
106
modules/mail/postfix.nix
Normal file
106
modules/mail/postfix.nix
Normal file
|
|
@ -0,0 +1,106 @@
|
|||
{ config, pkgs, ... }:
|
||||
let
|
||||
domain = config.networking.domain;
|
||||
hostname = "mail.${config.networking.domain}";
|
||||
# see https://www.kuketz-blog.de/e-mail-anbieter-ip-stripping-aus-datenschutzgruenden/
|
||||
header_cleanup = pkgs.writeText "header_cleanup_outgoing" ''
|
||||
/^\s*(Received: from)[^\n]*(.*)/ REPLACE $1 127.0.0.1 (localhost [127.0.0.1])$2
|
||||
/^\s*User-Agent/ IGNORE
|
||||
/^\s*X-Enigmail/ IGNORE
|
||||
/^\s*X-Mailer/ IGNORE
|
||||
/^\s*X-Originating-IP/ IGNORE
|
||||
/^\s*Mime-Version/ IGNORE
|
||||
'';
|
||||
# https://unix.stackexchange.com/questions/294300/postfix-prevent-users-from-changing-the-real-e-mail-address
|
||||
login_maps = pkgs.writeText "login_maps.pcre" ''
|
||||
# basic username => username@ifsr.de
|
||||
/^([^@+]*)(\+[^@]*)?@ifsr\.de$/ ''${1}
|
||||
'';
|
||||
in
|
||||
{
|
||||
sops.secrets."postfix_ldap_aliases".owner = config.services.postfix.user;
|
||||
|
||||
networking.firewall.allowedTCPPorts = [
|
||||
25 # SMTP
|
||||
465 # Submissions
|
||||
587 # Submission
|
||||
];
|
||||
services = {
|
||||
postfix = {
|
||||
enable = true;
|
||||
enableSubmission = true;
|
||||
enableSubmissions = true;
|
||||
hostname = "${hostname}";
|
||||
domain = "${domain}";
|
||||
origin = "${domain}";
|
||||
destination = [ "${hostname}" "${domain}" "localhost" ];
|
||||
networksStyle = "host"; # localhost and own public IP
|
||||
sslCert = "/var/lib/acme/${hostname}/fullchain.pem";
|
||||
sslKey = "/var/lib/acme/${hostname}/key.pem";
|
||||
relayDomains = [ "hash:/var/lib/mailman/data/postfix_domains" ];
|
||||
config = {
|
||||
home_mailbox = "Maildir/";
|
||||
# 25 MiB
|
||||
message_size_limit = "26214400";
|
||||
# hostname used in helo command. It is recommended to have this match the reverse dns entry
|
||||
smtp_helo_name = config.networking.rDNS;
|
||||
smtpd_banner = "${config.networking.rDNS} ESMTP $mail_name";
|
||||
smtp_use_tls = true;
|
||||
# smtp_tls_security_level = "encrypt";
|
||||
smtpd_use_tls = true;
|
||||
# smtpd_tls_security_level = lib.mkForce "encrypt";
|
||||
# smtpd_tls_auth_only = true;
|
||||
smtpd_tls_protocols = [
|
||||
"!SSLv2"
|
||||
"!SSLv3"
|
||||
"!TLSv1"
|
||||
"!TLSv1.1"
|
||||
];
|
||||
# "reject_non_fqdn_hostname"
|
||||
smtpd_recipient_restrictions = [
|
||||
"permit_sasl_authenticated"
|
||||
"permit_mynetworks"
|
||||
"reject_unauth_destination"
|
||||
"reject_non_fqdn_sender"
|
||||
"reject_non_fqdn_recipient"
|
||||
"reject_unknown_sender_domain"
|
||||
"reject_unknown_recipient_domain"
|
||||
"reject_unauth_destination"
|
||||
"reject_unauth_pipelining"
|
||||
"reject_invalid_hostname"
|
||||
"check_policy_service inet:localhost:12340"
|
||||
];
|
||||
smtpd_relay_restrictions = [
|
||||
"permit_sasl_authenticated"
|
||||
"permit_mynetworks"
|
||||
"reject_unauth_destination"
|
||||
];
|
||||
# https://www.postfix.org/smtp-smuggling.html
|
||||
smtpd_data_restrictions = [
|
||||
"reject_unauth_pipelining"
|
||||
];
|
||||
smtpd_sender_restrictions = [
|
||||
"reject_authenticated_sender_login_mismatch"
|
||||
];
|
||||
smtpd_sender_login_maps = [
|
||||
"pcre:/etc/special-aliases.pcre"
|
||||
"pcre:${login_maps}"
|
||||
];
|
||||
smtp_header_checks = "pcre:${header_cleanup}";
|
||||
# smtpd_sender_login_maps = [ "ldap:${ldap-senders}" ];
|
||||
alias_maps = [ "hash:/etc/aliases" ];
|
||||
alias_database = [ "hash:/etc/aliases" ];
|
||||
# alias_maps = [ "hash:/etc/aliases" "ldap:${ldap-aliases}" ];
|
||||
smtpd_sasl_auth_enable = true;
|
||||
smtpd_sasl_path = "/var/lib/postfix/auth";
|
||||
smtpd_sasl_type = "dovecot";
|
||||
#mailman stuff
|
||||
mailbox_transport = "lmtp:unix:/run/dovecot2/dovecot-lmtp";
|
||||
|
||||
transport_maps = [ "hash:/var/lib/mailman/data/postfix_lmtp" ];
|
||||
virtual_alias_maps = [ "hash:/var/lib/mailman/data/postfix_vmap" ];
|
||||
local_recipient_maps = [ "hash:/var/lib/mailman/data/postfix_lmtp" "ldap:${config.sops.secrets."postfix_ldap_aliases".path}" "$alias_maps" ];
|
||||
};
|
||||
};
|
||||
};
|
||||
}
|
||||
143
modules/mail/rspamd.nix
Normal file
143
modules/mail/rspamd.nix
Normal file
|
|
@ -0,0 +1,143 @@
|
|||
{ config, pkgs, ... }:
|
||||
let
|
||||
domain = "rspamd.${config.networking.domain}";
|
||||
in
|
||||
{
|
||||
sops.secrets."rspamd-password".owner = config.users.users.rspamd.name;
|
||||
users.users.rspamd.extraGroups = [ "redis-rspamd" ];
|
||||
services = {
|
||||
rspamd = {
|
||||
enable = true;
|
||||
postfix.enable = true;
|
||||
locals = {
|
||||
"worker-controller.inc".source = config.sops.secrets."rspamd-password".path;
|
||||
"redis.conf".text = ''
|
||||
read_servers = "/run/redis-rspamd/redis.sock";
|
||||
write_servers = "/run/redis-rspamd/redis.sock";
|
||||
'';
|
||||
# headers in spamassasin style to not break old sieve scripts
|
||||
"worker-proxy.inc".text = ''
|
||||
spam_header = "X-Spam-Flag";
|
||||
'';
|
||||
"milter_headers.conf".text = ''
|
||||
use = ["x-spam-level", "x-spam-status", "x-spamd-result", "authentication-results" ];
|
||||
'';
|
||||
"neural.conf".text = ''
|
||||
servers = "/run/redis-rspamd/redis.sock";
|
||||
enabled = true;
|
||||
'';
|
||||
"neural_group.conf".text = ''
|
||||
symbols = {
|
||||
"NEURAL_SPAM" {
|
||||
weight = 0.5; # fairly low weight since we don't know how this will behave
|
||||
description = "Neural network spam";
|
||||
}
|
||||
"NEURAL_HAM" {
|
||||
weight = -0.5;
|
||||
description = "Neural network ham";
|
||||
}
|
||||
}
|
||||
'';
|
||||
"dmarc.conf".text = ''
|
||||
reporting {
|
||||
enabled = true;
|
||||
email = 'reports@${config.networking.domain}';
|
||||
domain = '${config.networking.domain}';
|
||||
org_name = '${config.networking.domain}';
|
||||
from_name = 'DMARC Aggregate Report';
|
||||
}
|
||||
'';
|
||||
"dkim_signing.conf".text = ''
|
||||
selector = "quitte2024";
|
||||
allow_username_mismatch = true;
|
||||
allow_hdrfrom_mismatch = true;
|
||||
use_domain_sign_local = "ifsr.de";
|
||||
path = /var/lib/rspamd/dkim/$domain.$selector.key;
|
||||
|
||||
'';
|
||||
|
||||
"multimap.conf".text =
|
||||
let
|
||||
local_ips = pkgs.writeText "localhost.map" ''
|
||||
::1
|
||||
127.0.0.1
|
||||
'';
|
||||
tud_ips = pkgs.writeText "tud.map" ''
|
||||
141.30.0.0/16
|
||||
141.76.0.0/16
|
||||
'';
|
||||
in
|
||||
''
|
||||
WHITELIST_SENDER_DOMAIN {
|
||||
type = "from";
|
||||
filter = "email:domain";
|
||||
map = "/var/lib/rspamd/whitelist.sender.domain.map";
|
||||
action = "accept";
|
||||
}
|
||||
WHITELIST_SENDER_EMAIL {
|
||||
type = "from";
|
||||
map = "/var/lib/rspamd/whitelist.sender.email.map";
|
||||
action = "accept";
|
||||
}
|
||||
BLACKLIST_SENDER_DOMAIN {
|
||||
type = "from";
|
||||
filter = "email:domain";
|
||||
map = "/var/lib/rspamd/blacklist.sender.domain.map";
|
||||
action = "reject";
|
||||
}
|
||||
BLACKLIST_SENDER_EMAIL {
|
||||
type = "from";
|
||||
map = "/var/lib/rspamd/blacklist.sender.email.map";
|
||||
action = "reject";
|
||||
}
|
||||
BLACKLIST_SUBJECT_KEYWORDS {
|
||||
type = "header";
|
||||
header = "Subject"
|
||||
map = "/var/lib/rspamd/blacklist.keyword.subject.map";
|
||||
action = "reject";
|
||||
regexp = true;
|
||||
}
|
||||
RECEIVED_LOCALHOST {
|
||||
type = "ip";
|
||||
action = "accept";
|
||||
map = ${local_ips};
|
||||
}
|
||||
RECEIVED_TU_NETWORKS {
|
||||
type = "ip";
|
||||
map = ${tud_ips};
|
||||
}
|
||||
'';
|
||||
};
|
||||
};
|
||||
redis = {
|
||||
vmOverCommit = true;
|
||||
servers.rspamd = {
|
||||
enable = true;
|
||||
};
|
||||
};
|
||||
nginx = {
|
||||
virtualHosts."${domain}" = {
|
||||
forceSSL = true;
|
||||
enableACME = true;
|
||||
locations = {
|
||||
"/" = {
|
||||
proxyPass = "http://127.0.0.1:11334";
|
||||
proxyWebsockets = true;
|
||||
};
|
||||
};
|
||||
};
|
||||
};
|
||||
};
|
||||
systemd = {
|
||||
services.rspamd-dmarc-report = {
|
||||
description = "rspamd dmarc reporter";
|
||||
serviceConfig = {
|
||||
Type = "oneshot";
|
||||
ExecStart = "${pkgs.rspamd}/bin/rspamadm dmarc_report -v";
|
||||
User = "rspamd";
|
||||
Group = "rspamd";
|
||||
};
|
||||
startAt = "daily";
|
||||
};
|
||||
};
|
||||
}
|
||||
Loading…
Reference in a new issue