diff --git a/data/Dockerfiles/postfix/Dockerfile b/data/Dockerfiles/postfix/Dockerfile
index 1ca74d69..60c33cc0 100644
--- a/data/Dockerfiles/postfix/Dockerfile
+++ b/data/Dockerfiles/postfix/Dockerfile
@@ -22,4 +22,4 @@ RUN useradd -g vmail -u 5000 vmail -d /var/vmail
 
 EXPOSE 588
 
-CMD /usr/bin/supervisord -c /etc/supervisor/supervisord.conf
+CMD exec /usr/bin/supervisord -c /etc/supervisor/supervisord.conf
diff --git a/data/Dockerfiles/postfix/postfix.sh b/data/Dockerfiles/postfix/postfix.sh
index e2cf2b5b..6e7aca83 100755
--- a/data/Dockerfiles/postfix/postfix.sh
+++ b/data/Dockerfiles/postfix/postfix.sh
@@ -1,12 +1,7 @@
 #!/bin/bash
 
-# http://superuser.com/questions/168412/using-supervisord-to-control-the-postfix-mta
+trap "postfix stop" EXIT
 
-trap "postfix stop" SIGINT
-trap "postfix stop" SIGTERM
-trap "postfix reload" SIGHUP
-
-# start postfix
 postfix -c /opt/postfix/conf start
 
 sleep infinity
diff --git a/data/Dockerfiles/postfix/supervisord.conf b/data/Dockerfiles/postfix/supervisord.conf
index f49940fd..bae9a9aa 100644
--- a/data/Dockerfiles/postfix/supervisord.conf
+++ b/data/Dockerfiles/postfix/supervisord.conf
@@ -1,5 +1,6 @@
 [supervisord]
 nodaemon=true
+loglevel=debug
 
 [program:rsyslog]
 command=/usr/sbin/rsyslogd -n