diff --git a/mail-server/dovecot.nix b/mail-server/dovecot.nix
index 375bfe8..c06b478 100644
--- a/mail-server/dovecot.nix
+++ b/mail-server/dovecot.nix
@@ -182,6 +182,7 @@ in
       mailLocation = dovecotMaildir;
       sslServerCert = certificatePath;
       sslServerKey = keyPath;
+      enableDHE = lib.mkDefault false;
       enableLmtp = true;
       mailPlugins.globally.enable = lib.optionals cfg.fullTextSearch.enable [
         "fts"