diff --git a/corbeau b/corbeau
index bb22fe7c..4da061fd 100755
--- a/corbeau
+++ b/corbeau
@@ -12,6 +12,7 @@ if [[ $? == 0 ]]; then
 	  -I "Sender" \
           -I "DKIM-Signature" \
           -I "DomainKey-Signature" \
+          -I "X-Google-Sender-Auth" \
        	-I "X-Original-To" \
        	-I "Delivered-To" \
        	-I "To" \