feat: add email

hosts/amzebs-01/modules/postfix.nix

@@ -0,0 +1,30 @@
+{ pkgs
+, lib
+, config
+, ...
+}:
+{
+  services.postfix = {
+    enable = true;
+    hostname = "amzebs-01.amz.at";
+    domain = "amz.at";
+
+    config = {
+      # Listen only on localhost for security
+      # Laravel will send via localhost, no external access needed
+      inet_interfaces = "loopback-only";
+
+      # Compatibility
+      compatibility_level = "2";
+
+      # Only accept mail from localhost
+      mynetworks = "127.0.0.0/8 [::1]/128";
+
+      # Larger message size limits for attachments
+      mailbox_size_limit = "202400000"; # ~200MB
+      message_size_limit = "51200000";  # ~50MB
+
+      # Milter configuration is handled automatically by rspamd.postfix.enable
+    };
+  };
+}