System.Net.Mail.MailMessage mailMsg = new System.Net.Mail.MailMessage();
mailMsg.From = new MailAddress("*****@163.com");//发件人邮箱
mailMsg.To.Add("*******@qq.com");//收件人邮箱
mailMsg.Subject = "请激活注册";
StringBuilder contentBuilder = new StringBuilder();
contentBuilder.Append("请单击以下链接完成申请修改密码任务");
contentBuilder.Append("<a href='http://localhost:4775/ChangePwd.aspx'>申请修改密码</a>");
mailMsg.Body = contentBuilder.ToString();//邮件的主要内容
mailMsg.IsBodyHtml = true;//是否为html格式
SmtpClient client = new SmtpClient();
//发件方服务器地址
client.Host = "smtp.163.com";
client.Port = 25;
//mailMsg.IsBodyHtml = true;
NetworkCredential credetial = new NetworkCredential();
credetial.UserName = "*******@163.com";//发件人的邮箱地址
credetial.Password = "********";//发件人邮箱的密码
client.Credentials = credetial;
client.Send(mailMsg);
将以上代码直接复制到点击或者其他事件中便可以使用