diff --git a/vm/firstboot.sh b/vm/firstboot.sh
index 681cfa69..35feb9cf 100755
--- a/vm/firstboot.sh
+++ b/vm/firstboot.sh
@@ -47,6 +47,7 @@ apt-get install -y \
     ffmpeg2theora \
     imagemagick \
     ipython \
+    postfix \
     postgresql \
     postgresql-contrib