big bang

3 files changed, 200 insertions, 0 deletions

diff --git a/nix/hosts/mail/configuration.nix b/nix/hosts/mail/configuration.nix
new file mode 100644
index 0000000..564025c
--- /dev/null
+++ b/nix/hosts/mail/configuration.nix
@@ -0,0 +1,126 @@
+# Edit this configuration file to define what should be installed on
+# your system.  Help is available in the configuration.nix(5) man page
+# and in the NixOS manual (accessible by running ‘nixos-help’).
+
+{ config, pkgs, ... }:
+
+{
+  imports =
+    [ # Include the results of the hardware scan.
+      ./hardware-configuration.nix
+      ./mail.nix
+    ];
+
+  # Use the GRUB 2 boot loader.
+  boot.loader.grub.enable = true;
+  # boot.loader.grub.version = 2;
+  # boot.loader.grub.efiSupport = true;
+  # boot.loader.grub.efiInstallAsRemovable = true;
+  # boot.loader.efi.efiSysMountPoint = "/boot/efi";
+  # Define on which hard drive you want to install Grub.
+  # boot.loader.grub.device = "/dev/sda"; # or "nodev" for efi only
+
+  # networking.hostName = "nixos"; # Define your hostname.
+  # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
+
+  # Set your time zone.
+  # time.timeZone = "Europe/Amsterdam";
+
+  # The global useDHCP flag is deprecated, therefore explicitly set to false here.
+  # Per-interface useDHCP will be mandatory in the future, so this generated config
+  # replicates the default behaviour.
+  networking.useDHCP = false;
+  networking.interfaces.ens3.useDHCP = true;
+
+  # Configure network proxy if necessary
+  # networking.proxy.default = "http://user:password@proxy:port/";
+  # networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";
+
+  # Select internationalisation properties.
+  # i18n.defaultLocale = "en_US.UTF-8";
+  # console = {
+  #   font = "Lat2-Terminus16";
+  #   keyMap = "us";
+  # };
+
+  # Enable the X11 windowing system.
+  # services.xserver.enable = true;
+
+
+  
+
+  # Configure keymap in X11
+  # services.xserver.layout = "us";
+  # services.xserver.xkbOptions = "eurosign:e";
+
+  # Enable CUPS to print documents.
+  # services.printing.enable = true;
+
+  # Enable sound.
+  # sound.enable = true;
+  # hardware.pulseaudio.enable = true;
+
+  # Enable touchpad support (enabled default in most desktopManager).
+  # services.xserver.libinput.enable = true;
+
+  # Define a user account. Don't forget to set a password with ‘passwd’.
+  # users.users.jane = {
+  #   isNormalUser = true;
+  #   extraGroups = [ "wheel" ]; # Enable ‘sudo’ for the user.
+  # };
+
+  # List packages installed in system profile. To search, run:
+  # $ nix search wget
+  # environment.systemPackages = with pkgs; [
+  #   vim # Do not forget to add an editor to edit configuration.nix! The Nano editor is also installed by default.
+  #   wget
+  #   firefox
+  # ];
+
+  # Some programs need SUID wrappers, can be configured further or are
+  # started in user sessions.
+  # programs.mtr.enable = true;
+  # programs.gnupg.agent = {
+  #   enable = true;
+  #   enableSSHSupport = true;
+  # };
+
+  # List services that you want to enable:
+
+  # Enable the OpenSSH daemon.
+  # services.openssh.enable = true;
+
+  # Open ports in the firewall.
+  # networking.firewall.allowedTCPPorts = [ ... ];
+  # networking.firewall.allowedUDPPorts = [ ... ];
+  # Or disable the firewall altogether.
+  # networking.firewall.enable = false;
+
+  # This value determines the NixOS release from which the default
+  # settings for stateful data, like file locations and database versions
+  # on your system were taken. It‘s perfectly fine and recommended to leave
+  # this value at the release version of the first install of this system.
+  # Before changing this value read the documentation for this option
+  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
+  system.stateVersion = "21.11"; # Did you read the comment?
+
+
+
+
+  boot.loader.grub.devices = [ "/dev/sda" ];
+
+  # Initial empty root password for easy login:
+  users.users.root.initialHashedPassword = "";
+  services.openssh.settings.PermitRootLogin = "prohibit-password";
+
+  services.openssh.enable = true;
+
+  users.users.root.openssh.authorizedKeys.keys = [
+    # Replace this by your SSH pubkey!
+    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPZi43zHEsoWaQomLGaftPE5k0RqVrZyiTtGqZlpWsew"
+  ];
+
+  security.acme.acceptTerms = true;
+  security.acme.certs."mail.emile.space".email = "security@emile.space";
+}
+
diff --git a/nix/hosts/mail/hardware-configuration.nix b/nix/hosts/mail/hardware-configuration.nix
new file mode 100644
index 0000000..2653297
--- /dev/null
+++ b/nix/hosts/mail/hardware-configuration.nix
@@ -0,0 +1,24 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/profiles/qemu-guest.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "ata_piix" "virtio_pci" "virtio_scsi" "xhci_pci" "sd_mod" "sr_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/eccc47d3-7cee-4af5-822a-4ae0b302cb10";
+      fsType = "ext4";
+    };
+
+  swapDevices = [ ];
+
+  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}
diff --git a/nix/hosts/mail/mail.nix b/nix/hosts/mail/mail.nix
new file mode 100644
index 0000000..4224e04
--- /dev/null
+++ b/nix/hosts/mail/mail.nix
@@ -0,0 +1,50 @@
+{ ... }:
+let
+  release = "nixos-23.05";
+in {
+  imports = [
+    (builtins.fetchTarball {
+      # Pick a commit from the branch you are interested in
+      url = "https://gitlab.com/simple-nixos-mailserver/nixos-mailserver/-/archive/${release}/nixos-mailserver-${release}.tar.gz";
+      # And set its hash
+      sha256 = "1ngil2shzkf61qxiqw11awyl81cr7ks2kv3r3k243zz7v2xakm5c";
+    })
+  ];
+
+  mailserver = {
+    enable = true;
+    fqdn = "mail.emile.space";
+    domains = [ "emile.space" ];
+
+    # A list of all login accounts. To create the password hashes, use
+    # nix run nixpkgs.apacheHttpd -c htpasswd -nbB "" "super secret password" | cut -d: -f2
+    loginAccounts = {
+        "mail@emile.space" = {
+            hashedPasswordFile = "/etc/nixos/keys/mail";
+            aliases = ["@emile.space"];
+        };
+    };
+
+    localDnsResolver = false;
+
+    # Use Let's Encrypt certificates. Note that this needs to set up a stripped
+    # down nginx and opens port 80.
+    #certificateScheme = 3;
+    certificateScheme = "acme-nginx";
+
+    # Enable IMAP and POP3
+    enableImap = true;
+    enablePop3 = true;
+    enableSubmission = true;
+
+    # as well with ssl
+    enableImapSsl = true;
+    enablePop3Ssl = true;
+    enableSubmissionSsl = true;
+
+    enableManageSieve = true;
+
+    virusScanning = false;
+
+  };
+}