1 files changed, 2 insertions, 0 deletions

diff --git a/hel.nix b/hel.nix
index ce8bd962..860a54fd 100644
--- a/hel.nix
+++ b/hel.nix
@@ -195,6 +195,8 @@
         uucp unix - n n - - pipe flags=Fqhu user=uucp argv=/var/setuid-wrappers/uux -z -a$sender - $nexthop!rmail ($recipient)
       '';
       extraConfig = ''
+        inet_interfaces = loopback-only
+      
         authorized_submit_users = !uucp, static:anyone
         message_size_limit = 0