diff --git a/corbeau b/corbeau
index a671cf46..bb22fe7c 100755
--- a/corbeau
+++ b/corbeau
@@ -10,6 +10,8 @@ if [[ $? == 0 ]]; then
   formail -I "Received" \
           -I "From" \
 	  -I "Sender" \
+          -I "DKIM-Signature" \
+          -I "DomainKey-Signature" \
        	-I "X-Original-To" \
        	-I "Delivered-To" \
        	-I "To" \