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README
Mailman 
Mailman is an incoming mail processing microframework (with POP3 and Maildir support), that works with Rails "out of the box".
require 'mailman'
Mailman::Application.run do
to 'ticket-%id%@example.org' do
Ticket.find(params[:id]).add_reply(message)
end
end
See the User Guide for more information.
This project is no longer maintained
Installation
gem install mailman
Compatibility
Tested on Ruby 2.1, 2.0, 1.9.3, JRuby, and Rubinius.
Ruby < 2.0.0
In order to use this gem with ruby versions older then 2.0.0, you have to
restrict the maildir gem to the latest supported version in your Gemfile:
gem 'maildir', '< 2.1.0'
Thanks
This project was originally sponsored by Ruby Summer of Code (2010), and mentored by Steven Soroka.
Copyright
Copyright (c) 2010-2013 Jonathan Rudenberg. See LICENSE for details.
*Note that all licence references and agreements mentioned in the Mailman README section above
are relevant to that project's source code only.