app/mailers/user_mailer.rb
# frozen_string_literal: true
class UserMailer < ApplicationMailer
# Subject can be set in your I18n file at config/locales/en.yml
# with the following lookup:
#
# en.user_mailer.account_activation.subject
#
def account_activation(user)
@user = user
mail to: user.email, subject: "Account Activation"
end
end