public static void SendEmail()     {         System.Net.Mail.SmtpClient client = new System.Net.Mail.SmtpClient();         //这里使用QQ的邮箱来发送测试，如果是其它邮箱，请根据其它邮箱POP3/IMAP/SMTP服务来设置         client.Host = "smtp.qq.com";         client.UseDefaultCredentials = false;         client.Credentials = new System.Net.NetworkCredential("6你的邮箱www.1sucai.cn", "***密码***");         client.DeliveryMethod = System.Net.Mail.SmtpDeliveryMethod.Network;         System.Net.Mail.MailMessage message = new System.Net.Mail.MailMessage("60**你的*www.1sucai.cn"541**收件人的www.1sucai.cn");         message.Subject = "主题";         message.Body = "内容";         message.BodyEncoding = System.Text.Encoding.UTF8;         message.IsBodyHtml = true;         try         {             client.Send(message);         }         catch         {         }     }