123 lines
3.1 KiB
Nix
123 lines
3.1 KiB
Nix
# nixos-mailserver: a simple mail server
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# Copyright (C) 2016-2018 Robin Raymond
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>
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{ config, pkgs, lib, ... }:
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with (import ./common.nix { inherit config; });
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let
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cfg = config.mailserver;
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# maildir in format "/${domain}/${user}"
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dovecot_maildir = "maildir:${cfg.mailDirectory}/%d/%n";
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in
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{
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config = with cfg; lib.mkIf enable {
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services.dovecot2 = {
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enable = true;
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enableImap = enableImap;
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enablePop3 = enablePop3;
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mailGroup = vmailGroupName;
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mailUser = vmailUserName;
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mailLocation = dovecot_maildir;
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sslServerCert = certificatePath;
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sslServerKey = keyPath;
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enableLmtp = true;
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modules = [ pkgs.dovecot_pigeonhole ];
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protocols = [ "sieve" ];
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sieveScripts = {
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after = builtins.toFile "spam.sieve" ''
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require "fileinto";
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if header :is "X-Spam" "Yes" {
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fileinto "Junk";
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stop;
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}
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'';
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};
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extraConfig = ''
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#Extra Config
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${lib.optionalString debug ''
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mail_debug = yes
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auth_debug = yes
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verbose_ssl = yes
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''}
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mail_access_groups = ${vmailGroupName}
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ssl = required
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service lmtp {
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unix_listener /var/lib/postfix/queue/private/dovecot-lmtp {
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group = postfix
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mode = 0600
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user = postfix # TODO: < make variable
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}
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}
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protocol lmtp {
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mail_plugins = $mail_plugins sieve
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}
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service auth {
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unix_listener /var/lib/postfix/queue/private/auth {
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mode = 0660
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user = postfix # TODO: < make variable
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group = postfix # TODO: < make variable
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}
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}
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auth_mechanisms = plain login
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namespace inbox {
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inbox = yes
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mailbox "Trash" {
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auto = no
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special_use = \Trash
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}
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mailbox "Junk" {
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auto = subscribe
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special_use = \Junk
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}
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mailbox "Drafts" {
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auto = subscribe
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special_use = \Drafts
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}
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mailbox "Sent" {
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auto = subscribe
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special_use = \Sent
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}
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}
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plugin {
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sieve = file:/var/sieve/%u/scripts;active=/var/sieve/%u/active.sieve
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sieve_default = file:/var/sieve/%u/default.sieve
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sieve_default_name = default
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}
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lda_mailbox_autosubscribe = yes
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lda_mailbox_autocreate = yes
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'';
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};
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};
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}
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