记住端口和SMTP服务器地址（post:25,url:smtp.qq.com）

SendMail.cs

 

1 using System; 2 using System.Configuration; 3 using System.Net.Mail; 4 using System.Net; 5  6 namespace ParcelDistribution.BLL 7 { 8     public class SendMail 9     {10         private readonly SmtpClient _smtp;11         private MailMessage _objMailMessage;12         private static readonly string UserMail = ConfigurationSettings.AppSettings["UserMail"];13         private static readonly string Password = ConfigurationSettings.AppSettings["PassWord"];14         public SendMail()15         {16             _smtp = new SmtpClient17                 {18                     EnableSsl = false,19                     Host = ConfigurationSettings.AppSettings["mailsmtp"],20                     Port = int.Parse(ConfigurationSettings.AppSettings["port"]),21                     UseDefaultCredentials = false,22                     Credentials = new NetworkCredential(UserMail, Password)23                 };24         }25         /// 
26         /// 发送邮件27         /// 
28         /// 主题29         /// 内容30         /// 目标邮箱31         public bool SendMailtoDes(string title, string[] body, string[] desmail)32         {33             _smtp.UseDefaultCredentials = false;34             _smtp.Credentials = new NetworkCredential(UserMail, Password);35 36             for (int i = 0; i < desmail.Length; i++)37             {38                 if (desmail[i] == null || desmail[i] == "") continue;39                 _objMailMessage = new MailMessage {Priority = MailPriority.Normal, From = new MailAddress(UserMail)};40                 _objMailMessage.To.Add(new MailAddress(desmail[i]));41                 _objMailMessage.IsBodyHtml = true;42                 _objMailMessage.Subject = title;43                 _objMailMessage.Body = body[i];44                 try45                 {46                     _smtp.Send(_objMailMessage);47                 }48                 catch (Exception)49                 {50                     return false;51                 }52             }53             return true;54 55         }56 57     }58 }

 

web.config配置(像数据库那样配置)

 

 

qq邮箱配置（运行过程中会提醒你配置的）：

 

ok,运行下，发送成功！