--- 15-lda.conf.orig	2014-07-07 23:26:30.000000000 +0200
+++ 15-lda.conf	2016-10-04 15:42:58.000000000 +0200
@@ -4,7 +4,7 @@
 
 # Address to use when sending rejection mails.
 # Default is postmaster@<your domain>. %d expands to recipient domain.
-#postmaster_address =
+postmaster_address = postmaster@jones.dk
 
 # Hostname to use in various parts of sent mails (e.g. in Message-Id) and
 # in LMTP replies. Default is the system's real hostname@domain.
@@ -34,7 +34,7 @@
 # Header where the original recipient address (SMTP's RCPT TO: address) is taken
 # from if not available elsewhere. With dovecot-lda -a parameter overrides this. 
 # A commonly used header for this is X-Original-To.
-#lda_original_recipient_header =
+lda_original_recipient_header = X-Original-To
 
 # Should saving a mail to a nonexistent mailbox automatically create it?
 #lda_mailbox_autocreate = no
@@ -44,5 +44,5 @@
 
 protocol lda {
   # Space separated list of plugins to load (default is global mail_plugins).
-  #mail_plugins = $mail_plugins
+  mail_plugins = $mail_plugins sieve
 }