+if grep '^Resent-From: ' "\$2" >/dev/null; then
+ sed 's/^Resent-From:.*/Resent-From:/' "\$2" >"$actual"
+else
+ printf 'post: message has no Resent-From: header\n'
+ printf 'post: See default components files for examples\n'
+ printf 'post: re-format message and try again\n'
+ exit 1
+fi