MailMessage message=new MailMessage();
message.From="yurix9209@sohu.com";
message.To="ServUcn@hotmail.com";
message.Body="test";
message.Subject="aa";
message.Cc="ServUcn@hotmail.com";
message.Bcc="ServUcn@hotmail.com";
message.Fields.Add("http://schemas.microsoft.com/cdo/configuration/smtpauthenticate", "1");
// set your username here message.Fields.Add("http://schemas.microsoft.com/cdo/configuration/sendusername", "UserName");
// set your password here message.Fields.Add("http://schemas.microsoft.com/cdo/configuration/sendpassword", "UserPassword");
SmtpMail.SmtpServer="smtp.sina.com.cn";
SmtpMail.Send(message);