diff --git a/src/configure.default b/src/configure.default
index 8f88a3b..cef3779 100644
--- a/src/configure.default
+++ b/src/configure.default
@@ -818,6 +818,12 @@ userforward:
   pipe_transport = address_pipe
   reply_transport = address_reply
 
+procmail:
+  driver = accept
+  check_local_user
+  require_files = ${local_part}:+${home}/.procmailrc:/usr/bin/procmail
+  transport = procmail
+  no_verify
 
 # This router matches local user mailboxes. If the router fails, the error
 # message is "Unknown user".
@@ -866,6 +872,16 @@ remote_smtp:
   hosts_try_prdr = *
 .endif
 
+# This transport invokes procmail to deliver mail
+procmail:
+  driver = pipe
+  command = "/usr/bin/procmail -d $local_part"
+  return_path_add
+  delivery_date_add
+  envelope_to_add
+  user = $local_part
+  initgroups
+  return_output
 
 # This transport is used for delivering messages to a smarthost, if the
 # smarthost router is enabled.  This starts from the same basis as