diff --git a/contrib/mmkdir b/contrib/mmkdir
new file mode 100755
index 0000000..26d01ff
--- /dev/null
+++ b/contrib/mmkdir
@@ -0,0 +1,9 @@
+#!/bin/sh
+# mmkdir DIRS... - create new maildirs
+
+r=0
+for dir; do
+	mkdir -p -m 0700 $dir/cur $dir/new $dir/tmp || r=1
+done
+
+exit $r