More doc.

PMB_README.md

@@ -5,13 +5,20 @@
 
 ## Setup
 
+Build only seems to require  `#usermod -aG docker username`. Not tested as root/sudo/
+
 By default, `bridge` runs in non-interactive mode. You must set up the bridge initially.
 
     docker-compose exec pmb bash
     killall bridge
     ./bridge -c
 
-When in cli mode, `login` will activate account.
+When in cli mode:
+
+* `login` will activate account.
+* `info` will show creds to input into host filesystem .env postfix values.
+
+docker-compose down && docker-compose up are necessary. "restart" will not reload .env
 
 ## msmtp test
 

docker-compose.override.yml

@@ -1,7 +0,0 @@
-version: '2'
-services:
-  postfix:
-    image: juanluisbaptiste/postfix:dev
-    build:
-      context: .
-      dockerfile: Dockerfile