1 /// 
 2         /// 发送邮件 3         /// 
 4         /// 标题 5         /// 内容 6         /// 收件人 7         /// 附件路径 8         /// 抄送人 9         public static void SendMail(string subject, string body, List
     
       to, List
      
        filePaths = null, List
       
         cc = null)10         {11             string host = ConfigurationManager.AppSettings["Smtp.Host"];12             string port = ConfigurationManager.AppSettings["Smtp.Port"] ?? "25";13             string account = ConfigurationManager.AppSettings["Smtp.Account"];14             string password = ConfigurationManager.AppSettings["Smtp.Password"];15             string from = ConfigurationManager.AppSettings["Smtp.From"];16             string EnableSsl = ConfigurationManager.AppSettings["EnableSsl"] ?? "false";17 18             SmtpClient client = new SmtpClient(host, Convert.ToInt32(port));19             client.DeliveryMethod = SmtpDeliveryMethod.Network;20             client.Credentials = new NetworkCredential(account, password);21 22             client.EnableSsl = Convert.ToBoolean(EnableSsl);23 24             MailMessage mailMessage = new MailMessage() { From = new MailAddress(from) };25             if (filePaths != null)26             {27                 foreach (var path in filePaths)28                 {29                     System.Net.Mail.Attachment attach = new System.Net.Mail.Attachment(path);30                     mailMessage.Attachments.Add(attach);31                 }32             }33 34             mailMessage.Subject = subject;    //主题35             mailMessage.Body = body;    //正文36 37             foreach (var addr in to)38             {39                 //收件人邮箱地址40                 mailMessage.To.Add(new MailAddress(addr));41             }42 43             if (cc != null)44             {45                 foreach (string addr in cc)46                 {47                     mailMessage.CC.Add(addr);48                 }49             }50 51             mailMessage.SubjectEncoding = System.Text.Encoding.UTF8;52             mailMessage.BodyEncoding = System.Text.Encoding.UTF8;53             mailMessage.IsBodyHtml = true;54 55             client.Timeout = 10000;56             client.Send(mailMessage);57 58         }