diff --git a/share/templates/header_checks.submission b/share/templates/header_checks.submission
index f8691ce..c11dd8a 100644
--- a/share/templates/header_checks.submission
+++ b/share/templates/header_checks.submission
@@ -1,4 +1,6 @@
 /^Received:.*with ESMTPSA/  IGNORE
 /^Received:.*127\.0\.0\.1/  IGNORE
 /^User-Agent:/              IGNORE
 /^X-Mailer:/                IGNORE
+/^Sender:/                  IGNORE
+/^X-Sender:/                IGNORE