Mailpeek

Mailpeek provides a web interface to view emails sent out when developing in Rails.

Add to your Gemfile:

gem 'mailpeek', group: %i[development test]

In your config/environments/development.rb file:

config.action_mailer.delivery_method = :mailpeek

Then add a file called config/initializers/mailpeek.rb with this:

Mailpeek.configure do |config|
  config.location = Rails.root.join('tmp/mailpeek')
end

Finally in your routes.rb file add this line:

mount Mailpeek::Web => '/mailpeek' if Rails.env.development?

Once an email is sent in a Rails project, either via deliver_now or deliver_later. You can then view the email by visiting:

http://localhost:3000/mailpeek