diff --git a/mail/config/user-patches.sh b/mail/config/user-patches.sh
new file mode 100644
index 0000000..4be7d15
--- /dev/null
+++ b/mail/config/user-patches.sh
@@ -0,0 +1,7 @@
+#!/bin/sh
+
+set -e
+
+{
+	setup email list | grep -q '^\* gerrit@' || setup email add gerrit@${HOSTNAME#mail.} psst,gerrit
+}