Feature email server (#14)

* formatting

* update

* add mailserver

* flake update

systems/configuration.nix

@@ -1,4 +1,4 @@
-{ lib, pkgs, ... }:
+{ lib, pkgs, config, ... }:
 {
   i18n = {
     defaultLocale = "en_US.utf8";
@@ -17,16 +17,18 @@
     useUserPackages = true;
   };
 
+  users.defaultUserShell = pkgs.zsh;
+
   networking = {
     firewall = {
       enable = lib.mkDefault true;
-      allowedTCPPorts = [ 22 ];
+      allowedTCPPorts = [ ];
     };
   };
 
   services = {
     fail2ban = {
-      enable = lib.mkDefault true;
+      enable = lib.mkIf config.networking.firewall.enable (lib.mkDefault true);
       recommendedDefaults = true;
     };
 

systems/jeeves-jr/hardware.nix

@@ -5,7 +5,8 @@
 
 {
   imports =
-    [ (modulesPath + "/installer/scan/not-detected.nix")
+    [
+      (modulesPath + "/installer/scan/not-detected.nix")
     ];
 
   boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "nvme" "usbhid" "usb_storage" "sd_mod" ];
@@ -14,18 +15,19 @@
   boot.extraModulePackages = [ ];
 
   fileSystems."/" =
-    { device = "/dev/disk/by-uuid/c59f7261-ebab-4cc9-8f1d-3f4c2e4b1971";
+    {
+      device = "/dev/disk/by-uuid/c59f7261-ebab-4cc9-8f1d-3f4c2e4b1971";
       fsType = "ext4";
     };
 
   fileSystems."/boot" =
-    { device = "/dev/disk/by-uuid/7295-A442";
+    {
+      device = "/dev/disk/by-uuid/7295-A442";
       fsType = "vfat";
     };
 
   swapDevices =
-    [ { device = "/dev/disk/by-uuid/9d4ef549-d426-489d-8332-0a49589c6aed"; }
-    ];
+    [{ device = "/dev/disk/by-uuid/9d4ef549-d426-489d-8332-0a49589c6aed"; }];
 
   # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
   # (the default) this is the recommended approach. When using systemd-networkd it's