diff --git a/debian/control b/debian/control
index 65331524..35066256 100644
--- a/debian/control
+++ b/debian/control
@@ -173,6 +173,7 @@ Depends: fonts-font-awesome,
 Recommends: zfsutils-linux,
             ifupdown2,
             proxmox-offline-mirror-helper,
+            proxmox-mail-forward,
 Description: Proxmox Backup Server daemon with tools and GUI
  This package contains the Proxmox Backup Server daemons and related
  tools. This includes a web-based graphical user interface.