diff --git a/hosts/mail/default.nix b/hosts/mail/default.nix
index 0dd5316b..9939cf89 100644
--- a/hosts/mail/default.nix
+++ b/hosts/mail/default.nix
@@ -83,6 +83,8 @@
     vmailUserName = "vmail";
   };
 
+  networking.enableIPv6 = false; # mail is stuck in the 80s
+
   services = {
     backup = {
       enable = true;