Example of how to use mailer versioning in Lale.help

versioned_mailer_example.rb

class UserMailer < BaseMandrillMailer

  # Template in mandrill: ":lang/user/forgot_password/v2"
  def forgot_password(user, token)
    build_message(user.language, user.email, version: 2) do
      #                                      ^ note the named parameter "version" 
      # Merge Vars...
    end
  end

  # Template in mandrill: ":lang/user/account_activation"
  def account_activation(circle, user, token)
    build_message(user.language, user.email) do
      # Merge Vars...
    end
  end
end