diff --git a/debian/jail.conf b/debian/jail.conf
index 3cdbcda9..ef4c7438 100644
--- a/debian/jail.conf
+++ b/debian/jail.conf
@@ -238,6 +238,8 @@ logpath  = /var/log/mail.log
 enabled  = false
 port	 = smtp,ssmtp,imap2,imap3,imaps,pop3,pop3s
 filter   = sasl
+# You might consider monitoring /var/log/warn.log instead
+# if you are running postfix. See http://bugs.debian.org/507990
 logpath  = /var/log/mail.log