Common subdirectories: milter-greylist_orig/CVS and milter-greylist/CVS
diff -u milter-greylist_orig/README milter-greylist/README
--- milter-greylist_orig/README	2012-05-05 01:42:32.000000000 +0100
+++ milter-greylist/README	2016-01-19 22:55:20.321218138 +0000
@@ -196,6 +196,11 @@
 milter_protocol = 3
 smtpd_milters = unix:/var/milter-greylist/milter-greylist.sock
 
+To include postfix queue IDs in the milter-greylist log, add the
+following to postfix main.cf (this may impact performance of postfix;
+see postconf(5) man page for details):
+smtpd_delay_open_until_valid_rcpt = no
+
 
  4 Configuring milter-greylist 
  =============================