C#结合SMTP实现邮件报警通知的实现示例

/// <summary>
 /// 发送者
 /// </summary>
 public string mailFrom { get; set; }

 /// <summary>
 /// 收件人
 /// </summary>
 public string[] mailToArray { get; set; }

 /// <summary>
 /// 抄送
 /// </summary>
 public string[] mailCcArray { get; set; }

 /// <summary>
 /// 标题
 /// </summary>
 public string mailSubject { get; set; }

 /// <summary>
 /// 正文
 /// </summary>
 public string mailBody { get; set; }

 /// <summary>
 /// 发件人密码
 /// </summary>
 public string mailPwd { get; set; }

 /// <summary>
 /// SMTP邮件服务器
 /// </summary>
 public string host { get; set; }

 /// <summary>
 /// 正文是否是html格式
 /// </summary>
 public bool isbodyHtml { get; set; }

 /// <summary>
 /// 附件
 /// </summary>
 public string[] attachmentsPath { get; set; }

···

/// <summary>
 /// 发送邮件
 /// </summary>
 /// <returns></returns>
 public bool Send()
 {
  //使用指定的邮件地址初始化MailAddress实例
  MailAddress maddr = new MailAddress(mailFrom);
  //初始化MailMessage实例
  MailMessage myMail = new MailMessage();


  //向收件人地址集合添加邮件地址
  if (mailToArray != null)
  {
   for (int i = 0; i < mailToArray.Length; i++)
   {
    myMail.To.Add(mailToArray[i].ToString());
   }
  }

  //向抄送收件人地址集合添加邮件地址
  if (mailCcArray != null)
  {
   for (int i = 0; i < mailCcArray.Length; i++)
   {
    myMail.CC.Add(mailCcArray[i].ToString());
   }
  }
  //发件人地址
  myMail.From = maddr;

  //电子邮件的标题
  myMail.Subject = mailSubject;

  //电子邮件的主题内容使用的编码
  myMail.SubjectEncoding = Encoding.UTF8;

  //电子邮件正文
  myMail.Body = mailBody;

  //电子邮件正文的编码
  myMail.BodyEncoding = Encoding.Default;

  myMail.Priority = MailPriority.High;

  myMail.IsBodyHtml = isbodyHtml;

  //在有附件的情况下添加附件
  try
  {
   if (attachmentsPath != null && attachmentsPath.Length > 0)
   {
    Attachment attachFile = null;
    foreach (string path in attachmentsPath)
    {
     attachFile = new Attachment(path);
     myMail.Attachments.Add(attachFile);
    }
   }
  }
  catch (Exception err)
  {
   throw new Exception("在添加附件时有错误:" + err);
  }

  SmtpClient smtp = new SmtpClient();
  smtp.EnableSsl = true;

  //指定发件人的邮件地址和密码以验证发件人身份
  smtp.Credentials = new System.Net.NetworkCredential(mailFrom, mailPwd);


  //设置SMTP邮件服务器
  smtp.Host = host;

  try
  {
   //将邮件发送到SMTP邮件服务器
   smtp.Send(myMail);
   return true;

  }
  catch (System.Net.Mail.SmtpException ex)
  {
   return false;
  }
 }
 
 
 ···