The CloudMailin documentation ready for you to fork and submit patches!
shows and test the usage of the CloudMailIn addon on cloudControl.com
A really simple example showing how to use cloudmailin in a Rails 3 app
A ruby library to create multipart bodies. At the moment it is only creating form-data but this needs to be expanded.
Django client for CloudMailin incoming email service
A really simple Sinatra app that shows you how to receive email using CloudMailin, save the content to MongoDB using Mongoid and serve images from GridFS