Mailpeek
Mailpeek provides a web interface to view emails sent out when developing in Rails.
Installation
Add to your Gemfile:
gem 'mailpeek', group: :development
Setup
In your config/environments/development.rb
file:
config.action_mailer.delivery_method = :mailpeek
Then in your routes.rb
file add this line:
mount Mailpeek::Web => '/mailpeek' if Rails.env.development?