diff --git a/flake.lock b/flake.lock
index c90563d..868326c 100644
--- a/flake.lock
+++ b/flake.lock
@@ -24,6 +24,22 @@
         "type": "github"
       }
     },
+    "blobs": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1604995301,
+        "narHash": "sha256-wcLzgLec6SGJA8fx1OEN1yV/Py5b+U5iyYpksUY/yLw=",
+        "owner": "simple-nixos-mailserver",
+        "repo": "blobs",
+        "rev": "2cccdf1ca48316f2cfd1c9a0017e8de5a7156265",
+        "type": "gitlab"
+      },
+      "original": {
+        "owner": "simple-nixos-mailserver",
+        "repo": "blobs",
+        "type": "gitlab"
+      }
+    },
     "colmena": {
       "inputs": {
         "flake-compat": "flake-compat",
@@ -68,7 +84,7 @@
       "inputs": {
         "flake-compat": "flake-compat_2",
         "nixpkgs": "nixpkgs_3",
-        "utils": "utils_4"
+        "utils": "utils_5"
       },
       "locked": {
         "lastModified": 1648475189,
@@ -464,12 +480,35 @@
         "type": "indirect"
       }
     },
+    "mailserver": {
+      "inputs": {
+        "blobs": "blobs",
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "nixpkgs-22_05": "nixpkgs-22_05",
+        "utils": "utils_3"
+      },
+      "locked": {
+        "lastModified": 1658267644,
+        "narHash": "sha256-NJRe1rnlF112eZwxNASlRL8/ghwD8g+lpHIYRkWQxC8=",
+        "owner": "simple-nixos-mailserver",
+        "repo": "nixos-mailserver",
+        "rev": "004c229ca44c069d93c92abf67ff1619fb508c6a",
+        "type": "gitlab"
+      },
+      "original": {
+        "owner": "simple-nixos-mailserver",
+        "repo": "nixos-mailserver",
+        "type": "gitlab"
+      }
+    },
     "minecraft-servers": {
       "inputs": {
         "nixpkgs": [
           "nixpkgs"
         ],
-        "utils": "utils_3"
+        "utils": "utils_4"
       },
       "locked": {
         "lastModified": 1663552861,
@@ -581,6 +620,21 @@
         "type": "github"
       }
     },
+    "nixpkgs-22_05": {
+      "locked": {
+        "lastModified": 1654936503,
+        "narHash": "sha256-soKzdhI4jTHv/rSbh89RdlcJmrPgH8oMb/PLqiqIYVQ=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "dab6df51387c3878cdea09f43589a15729cae9f4",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "ref": "nixos-22.05",
+        "type": "indirect"
+      }
+    },
     "nixpkgs_2": {
       "locked": {
         "lastModified": 1663746095,
@@ -730,6 +784,7 @@
         "home-manager": "home-manager",
         "hyprland": "hyprland",
         "hyprpaper": "hyprpaper",
+        "mailserver": "mailserver",
         "minecraft-servers": "minecraft-servers",
         "nixpkgs": "nixpkgs_2",
         "riff": "riff",
@@ -844,6 +899,21 @@
       }
     },
     "utils_3": {
+      "locked": {
+        "lastModified": 1605370193,
+        "narHash": "sha256-YyMTf3URDL/otKdKgtoMChu4vfVL3vCMkRqpGifhUn0=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "5021eac20303a61fafe17224c087f5519baed54d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "utils_4": {
       "inputs": {
         "flake-utils": "flake-utils_2"
       },
@@ -861,7 +931,7 @@
         "type": "github"
       }
     },
-    "utils_4": {
+    "utils_5": {
       "locked": {
         "lastModified": 1648297722,
         "narHash": "sha256-W+qlPsiZd8F3XkzXOzAoR+mpFqzm3ekQkJNa+PIh1BQ=",
diff --git a/flake.nix b/flake.nix
index c8a5f61..ce1b0e3 100644
--- a/flake.nix
+++ b/flake.nix
@@ -31,6 +31,9 @@
     riff.inputs.nixpkgs.follows = "nixpkgs";
 
     webcord.url = "github:fufexan/webcord-flake";
+
+    mailserver.url = "gitlab:simple-nixos-mailserver/nixos-mailserver";
+    mailserver.inputs.nixpkgs.follows = "nixpkgs";
   };
 
   outputs =
diff --git a/nixos/hosts/olympus/default.nix b/nixos/hosts/olympus/default.nix
index 56dc527..25d537f 100644
--- a/nixos/hosts/olympus/default.nix
+++ b/nixos/hosts/olympus/default.nix
@@ -86,9 +86,11 @@
     ip = "10.42.42.17";
     mac = "0A:06:5E:E7:9A:0C";
   }
-  # {
-  #   ip = "10.42.42.18";
-  # }
+  {
+    hostname = "mailserver";
+    ip = "10.42.42.18";
+    mac = "AA:F2:3D:5E:B3:40";
+  }
   {
     hostname = "victoriametrics";
     ip = "10.42.42.19";
diff --git a/nixos/hosts/olympus/mailserver/configuration.nix b/nixos/hosts/olympus/mailserver/configuration.nix
new file mode 100644
index 0000000..3a3cbe4
--- /dev/null
+++ b/nixos/hosts/olympus/mailserver/configuration.nix
@@ -0,0 +1,30 @@
+# 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 = [ ];
+
+  # 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 = "22.11"; # Did you read the comment?
+
+  # Additional packages
+  environment.systemPackages = with pkgs; [ ];
+
+  networking.firewall.allowedTCPPorts = [ ];
+
+  mailserver = {
+    enable = false;
+    fqdn = "mail.0x76.dev";
+    domains = [ "0x76.dev" ];
+
+    certificateScheme = 3;
+  };
+}
diff --git a/nixos/hosts/olympus/nginx/configuration.nix b/nixos/hosts/olympus/nginx/configuration.nix
index a78bdf8..02f6a52 100644
--- a/nixos/hosts/olympus/nginx/configuration.nix
+++ b/nixos/hosts/olympus/nginx/configuration.nix
@@ -49,7 +49,7 @@ in
       modules = with pkgs.nginxModules; [ brotli ];
     };
 
-    # Reverse Proxies
+    # 0x76.dev
     virtualHosts."ha.0x76.dev" = proxy "http://home-assistant.olympus:8123/";
     virtualHosts."zookeeper-dev.0x76.dev" = proxy "http://eevee.olympus:8085/";
     virtualHosts."md.0x76.dev" = proxy "http://hedgedoc.olympus:3000/";
@@ -57,6 +57,9 @@ in
     virtualHosts."o.0x76.dev" = proxy "http://minio.olympus:9000";
     virtualHosts."grafana.0x76.dev" = proxy "http://victoriametrics.olympus:2342";
     virtualHosts."outline.0x76.dev" = proxy "http://outline.olympus:3000";
+    # virtualHosts."mail.0x76.dev" = proxy "http://mailserver.olympus:80";
+    
+    # Redshifts
     virtualHosts."andreea.redshifts.xyz" = proxy "http://zmeura.olympus:8008";
 
     # Meow
diff --git a/util.nix b/util.nix
index 3ac4ea7..78c9d65 100644
--- a/util.nix
+++ b/util.nix
@@ -1,4 +1,4 @@
-{ nixpkgs, home-manager, hyprland, ... }:
+{ nixpkgs, home-manager, hyprland, mailserver, ... }:
 let
   inherit (nixpkgs) lib;
   inherit (builtins) filter mapAttrs attrValues concatLists;
@@ -16,6 +16,7 @@ let
     ];
   };
   resolve_imports = { hostname, realm, profile ? hostname, type ? "lxc", ... }: [
+    mailserver.nixosModules.mailserver
     ./nixos/common
     "${./.}/nixos/hosts/${realm}/${profile}/configuration.nix"
   ] ++ import_cases.${type};