diff --git a/dockerfiles/email-forwarder/install.sh b/dockerfiles/email-forwarder/install.sh
index d9fcba68c26db3aa630c8006fa0cd1acf85e3e7b..cccf99060663051d439cdf88f14b692a004fdc3a 100755
--- a/dockerfiles/email-forwarder/install.sh
+++ b/dockerfiles/email-forwarder/install.sh
@@ -25,6 +25,8 @@ cat >> /opt/postfix.sh <<EOF
 service postfix start
 touch /var/log/mail.log
 tail -f /var/log/mail.log
+postmap /etc/postfix/virtual
+service postfix restart
 EOF
 chmod +x /opt/postfix.sh
 
@@ -40,4 +42,3 @@ cp /data/hostname /etc/mailname
 #put your forwarding addresses in /data/forwards.
 cp /data/forwards /etc/postfix/virtual
 /usr/sbin/postconf -e "virtual_alias_maps = hash:/etc/postfix/virtual"
-postmap /etc/postfix/virtual