Email Previews

Important: These docs are for the outdated Jets 5 versions and below. For the latest Jets docs: docs.rubyonjets.com

Jets supports previewing emails from localhost:8888/jets/mailers. This can be enabled with:

config/environments/development.rb:

Jets.application.configure do
  config.action_mailer.show_previews = true # default: false
end

Previewing Emails

Here’s an example showing how to use email previews.

jets new demo
cd demo
jets generate migration create_users name:string
jets db:migrate
jets generate mailer UserMailer new_user

Then create a preview model with a naming convention in the app/previews folder like so.

app/previews/user_mailer_preview.rb:

class UserMailerPreview < ActionMailer::Preview
  def new_user
    UserMailer.new_user
  end
end

To see the email preview visit: localhost:8888/jets/mailers/user_mailer/new_user. You should see something like this:

In this section: