diff --git a/README.md b/README.md
index 3278c200..79cf26ef 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,30 @@ This package deploys Postfix and Dovecot servers, including OpenDKIM for DKIM si
 
 Postfix uses Dovecot for authentication as described in <https://www.postfix.org/SASL_README.html#server_dovecot>
 
+## Structure (wip)
+
+```
+
+# package doveauth tool and deploy chatmail server to a envvar-specified ssh-reachable host 
+deploy.py 
+
+# chatmail pyinfra deploy package 
+pyinfra-src
+    pyproject.toml
+    chatmail/__init__ ...
+
+    # tests against the deployed system 
+    tests/test_online_test.py
+
+# doveauth tool used by dovecot's auth mechanism on the host system 
+doveauth-src 
+    README.md
+    pyproject.toml
+    doveauth.py
+    doveauth.lua
+    test_doveauth.py
+```
+
 ## Ports
 
 Postfix listens on ports 25 (smtp) and 587 (submission) and 465 (submissions).