diff --git a/manifests/Postbox/Postbox/7.0.18.yaml b/manifests/Postbox/Postbox/7.0.18.yaml
new file mode 100644
index 000000000..cf5962286
--- /dev/null
+++ b/manifests/Postbox/Postbox/7.0.18.yaml
@@ -0,0 +1,15 @@
+Id: Postbox.Postbox
+Version: 7.0.18
+Name: Postbox
+Publisher: Postbox Inc.
+License: Copyright © 2020. All rights reserved.
+LicenseUrl: https://www.postbox-inc.com/legal
+AppMoniker: postbox
+Tags: email
+Description: Postbox is the power email app for busy professionals, like you.
+Homepage: https://www.postbox-inc.com/
+Installers:
+  - Arch: Neutral
+    Url: https://d3nx85trn0lqsg.cloudfront.net/win/postbox-7.0.18-win32.exe
+    Sha256: B96A64A373881652F02CAB22F5BA9A23E6948F5A7E9C9D0760C2CD5B4709DEB7
+    InstallerType: nullsoft