diff --git a/Dockerfile b/Dockerfile
index 1649a4a..d6846d9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,6 +3,8 @@ FROM interlegis/alpine-postfix
 ADD ./bin/sendmail-http /
 ADD start.sh /
 
+VOLUME ["/var/spool/postfix"]
+
 EXPOSE 25 1001
 
 ENTRYPOINT ["/start.sh"]
\ No newline at end of file
diff --git a/start.sh b/start.sh
index dabd192..6534eeb 100755
--- a/start.sh
+++ b/start.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
 
-SERVER_ADDR=${SERVER_ADDR:-:1001} /sendmail-http &
+/etc/postfix/postfix-service.sh start &
 
-/opt/monit/bin/monit-start.sh
\ No newline at end of file
+SERVER_ADDR=${SERVER_ADDR:-:1001} /sendmail-http