diff --git a/nixos/modules/mail.nix b/nixos/modules/mail.nix
index 62fe93a..1019ffc 100644
--- a/nixos/modules/mail.nix
+++ b/nixos/modules/mail.nix
@@ -197,8 +197,15 @@ in {
               "lookup.default.hostname"
               "certificate.*"
             ] # the default ones
-            ++ ["sieve.trusted.scripts.*"]; #for macros to be able to include our redirection script
+            ++ ["sieve.trusted.*"]; #for macros to be able to include our redirection script
           sieve.trusted.scripts.redirects.contents = "%{file:/tmp/virt_aliases}%"; # generated redirect script
+          sieve.trusted.from-addr = "sender"; # set the from-address to the original sender as specified in the MAIL FROM.
+          sieve.trusted.from-name = "sender";
+          sieve.trusted.return-path = "sender";
+          sieve.trusted.limits = {
+            redirects = 50;
+            out-messages = 50;
+          };
           session.data.script = "'redirects'";
 
           authentication.fallback-admin = {