diff --git a/crates/common/src/config/smtp/session.rs b/crates/common/src/config/smtp/session.rs
index c7cb3f2d..d9649d99 100644
--- a/crates/common/src/config/smtp/session.rs
+++ b/crates/common/src/config/smtp/session.rs
@@ -305,7 +305,7 @@ impl SessionConfig {
             (
                 &mut session.auth.must_match_sender,
                 "session.auth.must-match-sender",
-                &has_ehlo_hars,
+                &has_sender_vars,
             ),
             (
                 &mut session.mail.script,