核心代码: 复制代码 代码如下: public class Mail { #region 邮件参数 static public string accountName = System.Configuration.ConfigurationManager.AppSettings["SmtpAccountName"]; static public string password = System.Configuration.ConfigurationManager.AppSettings["SmtpAccountPW"]; static public string smtpServer = System.Configuration.ConfigurationManager.AppSettings["SmtpServer"]; static public int smtpPort = int.Parse(System.Configuration.ConfigurationManager.AppSettings["SmtpPort"]); #endregion /// <summary> /// 邮件发送方法一 /// </summary> /// <param name="sendTo"></param> /// <param name="subject"></param> /// <param name="body"></param> static public void SendMail(string sendTo, string subject, string body) { //.net smtp System.Web.Mail.MailMessage mailmsg = new System.Web.Mail.MailMessage(); mailmsg.To = sendTo; //mailmsg.Cc = cc; mailmsg.Subject = subject; mailmsg.Body = body; mailmsg.BodyFormat = MailFormat.Html; //sender here mailmsg.From = Mail.accountName; // certify needed mailmsg.Fields.Add("http://schemas.microsoft.com/cdo/configuration/smtpauthenticate", "1");//1 is to certify //the user id mailmsg.Fields.Add( "http://schemas.microsoft.com/cdo/configuration/sendusername", Mail.accountName); //the password mailmsg.Fields.Add( "http://schemas.microsoft.com/cdo/configuration/sendpassword", Mail.password); System.Web.Mail.SmtpMail.SmtpServer = Mail.smtpServer; System.Web.Mail.SmtpMail.Send(mailmsg); } /// <summary> /// 邮件发送方法二 /// </summary> /// <param name="sendTo"></param> /// <param name="subject"></param> /// <param name="body"></param> static public void SendMail2(string sendTo, string subject, string body) { System.Net.Mail.MailMessage msg = new System.Net.Mail.MailMessage(accountName, sendTo, subject, body); msg.From = new System.Net.Mail.MailAddress(accountName, "Mail"); System.Net.Mail.SmtpClient client = new System.Net.Mail.SmtpClient(smtpServer); msg.IsBodyHtml = true; client.Credentials = new System.Net.NetworkCredential(accountName, password); client.DeliveryMethod = System.Net.Mail.SmtpDeliveryMethod.Network; client.Send(msg); } } 详细出处参考：http://www.jb51.net/article/27183.htm

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