update bindings and README

README.md

@@ -8,8 +8,11 @@ Then, start postal by running
 ```
 docker-compose up -d
 ```
+
+Default password is avaliable at https://github.com/atech/postal/wiki/Installation#accessing-the-web-interface
+
 ### Configuration
-Configuration is located at data/postal after the first start. Note that non-config files (i.e. files in https://github.com/atech/postal/tree/master/config) will be overwritten each time the container starts up.
+Configuration is located at data/postal after the first start. Note that non-config files (i.e. files in https://github.com/atech/postal/tree/master/config) will be overwritten each time the container starts up. See https://github.com/atech/postal/blob/master/config/postal.defaults.yml for all possible configuration options
 
 Be sure to do some port mappings to allow your SMTP server and HTTP(s) server to be accessed. I suggest simply port mapping the SMTP server and using [jwilder/nginx-proxy](https://github.com/jwilder/nginx-proxy) to proxy the HTTP server.
 

docker-compose.yml

@@ -6,6 +6,7 @@ services:
     container_name: postal
     ports:
       - 80:5000
+      - 25:2525
     volumes:
       - ./data/postal:/opt/postal/config
       - ./data/docker:/docker