diff --git a/configuration.nix b/configuration.nix
index 414f3a1..4144d3e 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -15,6 +15,7 @@
       ./syncthing.nix
       ./fail2ban.nix
       ./git.nix
+      ./mail.nix
     ];
 
   # Boot
diff --git a/mail.nix b/mail.nix
new file mode 100644
index 0000000..f2e472c
--- /dev/null
+++ b/mail.nix
@@ -0,0 +1,28 @@
+{ config, pkgs, ... }:
+{
+  imports = [
+    (builtins.fetchTarball {
+      url = "https://gitlab.com/simple-nixos-mailserver/nixos-mailserver/-/archive/nixos-20.03/nixos-mailserver-nixos-20.03.tar.gz";
+      sha256 = "02k25bh4pg31cx40ri4ynjw65ahy0mmj794hi5i1yn48j56vdbkj";
+    })
+  ];
+  mailserver = {
+    enable = true;
+    fqdn = "bib3.de";
+    domains = [ "bib3.de" ];
+    certificateScheme = 3;
+    enableImap = true;
+    enablePop3 = true;
+    enableImapSsl = true;
+    enablePop3Ssl = true;
+
+    #enableManageSieve = true;
+
+    loginAccounts = {
+      "webmaster@bib3.de" = {
+        hashedPassword = "$6$/gNzrl3XvdKYD.aF$0Amy4k4PgrhIuvzEP9yfbIvGhmNP/kQ1a.NlTHjd.01qt38/f02zFUkcI/Rb/tltW17rn8Q73.ckDJ.EvIoLb0";
+      };
+    };
+  };
+}
+