1. Add this extension to your Gemfile with this line:

gem 'spree_mail_settings', github: 'spree-contrib/spree_mail_settings'

gem 'spree_mail_settings', github: 'spree-contrib/spree_mail_settings', branch: 'X-X-stable'

The branch option is important: it must match the version of Spree you're using. For example, use 3-0-stable if you're using Spree 3-0-stable or any 3.0.x version.

2. Install the gem using Bundler:

bundle install

3. Restart your server

If your server was running, restart it so that it can find the assets properly.

See corresponding guidelines

Copyright (c) 2014-2015 John Hawthorn and contributors, released under the New BSD License