diff --git a/Docker.md b/Docker.md
index 981158a..e6c4c01 100644
--- a/Docker.md
+++ b/Docker.md
@@ -6,6 +6,11 @@ https://hub.docker.com/r/djmaze/snappymail/tags
 https://github.com/the-djmaze/snappymail/pkgs/container/snappymail
 `docker pull ghcr.io/the-djmaze/snappymail:latest`
 
+This version uses https://github.com/docker-mailserver/docker-mailserver
+
+Other docker examples are here:
+https://github.com/the-djmaze/snappymail/tree/master/examples/docker
+
 Also read #44 and #965
 
 ## Persistent data