1 files changed, 1 insertions, 0 deletions

diff --git a/ymir.nix b/ymir.nix
index b9e76c00..c2ad2574 100644
--- a/ymir.nix
+++ b/ymir.nix
@@ -424,6 +424,7 @@ in rec {
         reject_unknown_recipient_domain,
         permit_mynetworks,
         permit_sasl_authenticated,
+        reject_unauthenticated_sender_login_mismatch,
         reject_non_fqdn_helo_hostname,
         reject_invalid_helo_hostname,
         reject_unauth_destination,