diff --git a/nixos/hosts/framework-server/default.nix b/nixos/hosts/framework-server/default.nix
index 282e5ee0..0d641d81 100644
--- a/nixos/hosts/framework-server/default.nix
+++ b/nixos/hosts/framework-server/default.nix
@@ -55,8 +55,7 @@
 
   # Forward mail port 25 to sysctl.io / linode
   networking.firewall.extraCommands = '' 
-    iptables -A PREROUTING -t nat -i wireguard0 -p tcp --dport 25 -j DNAT --to 10.100.0.1:25
-    iptables -A INPUT -p tcp -m state --state NEW --dport 25 -i wireguard0 -j ACCEPT 
+    iptables -t nat -A OUTPUT -p tcp --dport 25 -j DNAT --to-destination 10.100.0.1:25
   '';
 
   boot.initrd.services.udev.rules = ''