如何在Rails中发送带有BCC的电子邮件3

config.action_mailer.delivery_method = :smtp
config.action_mailer.smtp_settings = {
  address: "smtp.gmail.com",
  port: 587,
  domain: "example.com",
  user_name: "your_email@example.com",
  password: "your_password",
  authentication: "plain",
  enable_starttls_auto: true
}

class NotificationsController< ApplicationController
  def send_email
    @user = User.find(params[:id])
    @email = params[:email]
    @subject = "Hello from Rails!"
    @body = "This is a test email sent from Rails."

    UserMailer.send_email(@user, @email, @subject, @body).deliver_now
    redirect_to root_path, notice: "Email sent successfully!"
  end
end

class UserMailer< ApplicationMailer
  def send_email(user, email, subject, body)
    @user = user
    @subject = subject
    @body = body

    mail(to: @user.email, subject: @subject, bcc: email)
  end
end