diff --git a/hosts/kazuki/mail.nix b/hosts/kazuki/mail.nix
index ab9e4c4..d596559 100644
--- a/hosts/kazuki/mail.nix
+++ b/hosts/kazuki/mail.nix
@@ -32,4 +32,7 @@
 
     certificateScheme = "acme-nginx";
   };
+
+  # TODO: Remove once SNM gets their shit together
+  services.dovecot2.sieve.extensions = ["fileinto"];
 }