diff --git a/Dockerfile b/Dockerfile
index ab712a8..8ead225 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,6 +4,9 @@ FROM webdevops/php-apache:7.4
 RUN apt-get update
 RUN apt-get install -y librsvg2-bin
 
+# enable postfix to be able to send mails
+CMD ["/opt/docker/bin/usr-bin/docker-service-enable", "postfix"]
+
 #restart apache
 RUN service apache2 restart