nixos-mailserver/mail-server/dovecot.nix

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# nixos-mailserver: a simple mail server
# Copyright (C) 2016 Robin Raymond
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>
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{ config, pkgs, vmail_group_name, vmail_user_name, dovecot_maildir, enable_imap,
enable_pop3, ... }:
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{
# Set the correct permissions for dovecot vmail folder. See
# <http://wiki2.dovecot.org/SharedMailboxes/Permissions>. We choose
# to use the systemd service to set the folder permissions whenever
# dovecot gets started.
systemd.services.dovecot2.preStart = "chmod 02770 /var/vmail";
services.dovecot2 = {
enable = true;
enableImap = enable_imap; # IMAP
enablePop3 = enable_pop3; # POP3
mailGroup = vmail_group_name;
mailUser = vmail_user_name;
mailLocation = dovecot_maildir; # maildir in format "/${domain}/${user}/"
};
}