require_dependency 'email/message_builder' class AdminConfirmationMailer < ActionMailer::Base include Email::BuildEmailHelper def send_email(to_address, target_username, token) build_email( to_address, template: 'admin_confirmation_mailer', target_username: target_username, admin_confirm_url: confirm_admin_url(token: token, host: Discourse.base_url) ) end end