static async System.Threading.Tasks.Task Main(string[] args) { string emailToken = File.ReadAllText("../../../../Settings.txt"); var option = new SmtpClientOptions { Account = "*****@*****.**", Token = emailToken, Host = "smtp.163.com", Port = 465, EnableSsl = false }; var em = new EmailService(option); Reminder reminder = new Reminder(new DbFileServices(), em, new Scanner()); reminder.AddBooksUrl("http://www.biquge.se/23609/"); reminder.AddReceiver("*****@*****.**"); await reminder.StartAsync(); }