diff --git a/smtp-extern/hooks/smtp_server-relation-joined b/smtp-extern/hooks/smtp_server-relation-joined
new file mode 100755
index 0000000..7e4a106
--- /dev/null
+++ b/smtp-extern/hooks/smtp_server-relation-joined
@@ -0,0 +1,15 @@
+#!/bin/bash
+
+
+host=$(options-get host) || exit 1
+port=$(options-get port) || exit 1
+secure=$(options-get secure) || exit 1
+user=$(options-get user) || exit 1
+password=$(options-get password) || exit 1
+
+
+relation-set host "$host" || exit 1
+relation-set port "$port"  || exit 1
+relation-set secure "$secure" || exit 1
+relation-set user "$user" || exit 1
+relation-set password "$password" || exit 1
diff --git a/smtp-extern/metadata.yml b/smtp-extern/metadata.yml
new file mode 100644
index 0000000..dbe3d4c
--- /dev/null
+++ b/smtp-extern/metadata.yml
@@ -0,0 +1,4 @@
+type: run-once
+docker-image: docker.0k.io/alpine:3.18
+provides:
+  smtp-server: