diff --git a/sup/hooks/mime-decode.rb b/sup/hooks/mime-decode.rb
new file mode 100644
index 0000000..ab06463
--- /dev/null
+++ b/sup/hooks/mime-decode.rb
@@ -0,0 +1,7 @@
+require 'shellwords'
+unless sibling_types.member? "text/plain"
+  case content_type
+  when "text/html"
+    `/usr/bin/w3m -dump -T #{content_type} #{Shellwords.escape filename}`
+  end
+end