diff --git a/postfix/Dockerfile b/postfix/Dockerfile
index 07cee71..12cc768 100644
--- a/postfix/Dockerfile
+++ b/postfix/Dockerfile
@@ -55,6 +55,8 @@ RUN echo '' > /etc/postfix/main.cf \
     && postconf -e enable_long_queue_ids='yes' \
     && postconf -e strict_rfc821_envelopes='yes' \
     && postconf -e maillog_file='/dev/stdout' \
+    && touch /etc/postfix/virtual_mailbox_maps.cf \
+    && postfix check \
     && newaliases \
     && touch /etc/postfix/access_sender