Adding sieve & nullmailer

modules/server/default.nix

@@ -1,6 +1,10 @@
 { pkgs, ... }:
 
 {
+  imports = [
+    ./nullmailer.nix
+  ];
+
   services.openssh.enable = true;
 
   boot.swraid = {

modules/server/nullmailer.nix

@@ -0,0 +1,17 @@
+{ ... }:
+
+{
+  services.nullmailer = {
+    enable = true;
+
+    setSendmail = true;
+    config = {
+      remotes = ''
+        taf.lyes.eu smtp
+      '';
+      adminaddr = "root@lyes.eu";
+      defaulthost = "lyes.eu";
+      allmailfrom = "root@lyes.eu";
+    };
+  };
+}

modules/server/taf/default.nix

@@ -46,6 +46,26 @@
         aliases = [
           "@lyes.eu"
         ];
+        quota = "1T";
+        sieveScript = ''
+          require ["fileinto", "regex", "variables"];
+
+          if address :is :domain "X-Original-To" "lyes.eu" {
+            if address :localpart :regex "X-Original-To" "^(([a-zA-Z]+\\.)*([a-zA-Z]+))(-([a-zA-Z0-9_.\\-]*))?''$" {
+              set "mbox_candidate" "INBOX.''${1}";
+              fileinto "''${mbox_candidate}";
+            }
+            else {
+              fileinto "INBOX.other";
+            }
+          }
+          elsif address :is "X-Original-To" "lyes@mail.lyes.eu" {
+            fileinto "INBOX";
+          }
+          else {
+            fileinto "INBOX.other";
+          }
+        '';
       };
     };