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dump_stack() 2 years ago
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.gitignore View File

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secrets.nix
hardware-configuration.nix

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LICENSE View File

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MIT License

Copyright (c) 2019 Mikhail Klementev

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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# mail.dumpstack.io

Note:
1. Comment out fetchTarball and mailserver for initial installation,
I don't know why but there's issues with fetchTarball when it runs
from live nixos installer.

2. Some cloud providers disallow outbound SMTP by default. Check it if
there'll be issues with outgoing emails.

## Installation

parted /dev/vda mklabel msdos
parted /dev/vda mkpart primary ext4 0% 100%
mkfs.ext4 -L system /dev/vda1
mount /dev/vda1 /mnt/

nix-env -iA nixos.gitMinimal
git clone https://code.dumpstack.io/infra/mail.dumpstack.io.git /mnt/etc/nixos/

nixos-generate-config --root /mnt

nixos-install
reboot

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configuration.nix View File

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{ config, pkgs, ... }:
let
secrets = import ./secrets.nix;
in {
imports = [
./hardware-configuration.nix
# check https://gitlab.com/simple-nixos-mailserver/nixos-mailserver/tags
# for new releases
(builtins.fetchTarball {
url = "https://gitlab.com/simple-nixos-mailserver/nixos-mailserver/-/archive/v2.2.0/nixos-mailserver-v2.2.0.tar.gz";
sha256 = "0gqzgy50hgb5zmdjiffaqp277a68564vflfpjvk1gv6079zahksc";
})
];

users.extraUsers.root = {
openssh.authorizedKeys.keys = [ secrets.pubkey ];
};

boot.loader.grub.enable = true;
boot.loader.grub.version = 2;
boot.loader.grub.device = "/dev/vda";

networking.hostName = "mail.dumpstack.io";

networking.firewall.allowedTCPPorts = [ 443 ];

environment.systemPackages = with pkgs; [
htop
];

mailserver = {
enable = true;
fqdn = "mail.dumpstack.io";
domains = [ "dumpstack.io" ];
loginAccounts = {
"root@dumpstack.io" = {
hashedPassword = "${secrets.mailHashedPassword}";
aliases = secrets.aliases;
catchAll = [ "dumpstack.io" ];
};
};

certificateScheme = 3; # Let's Encrypt
enableImapSsl = true;

rebootAfterKernelUpgrade.enable = true;
};

time.timeZone = "UTC";
services.openssh.enable = true;

system.autoUpgrade.enable = true;
system.stateVersion = "18.09";
}

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{
pubkey = "changeme"; # ssh-add -L
mailHashedPassword = "changeme"; # mkpasswd -m sha512
# keep it secret for avoid spam
aliases = [
"info@domain.tld"
"postmaster@domain.tld"
];
}

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