using System.Net.Mail;

        /// 发送邮件

        /// </summary>

        /// <param name="sender"></param>

        /// <param name="e"></param>

        protected void ForMail(string name, string mail)

        {

            try

            {

                //string email = txtemail.Text.Trim();

                MailAddress MessageFrom = new MailAddress("【发件箱地址】"); //发件人邮箱地址

                string MessageTo = mail; //收件人邮箱地址

                string MessageSubject = bs.HtmlEncode(web_zt.Value.Trim()); //邮件主题

                string MessageBody = "" + content1.Value.Trim() + ""; //邮件内容 （一般是一个网址链接，生成随机数加验证id参数，点击去网站验证。）";

                if (Send(MessageFrom, MessageTo, MessageSubject, MessageBody))

                {

                    //Response.Write("发送邮件成功");

                }

                else

                {

                    //Response.Write("发送邮件失败");

                }

            }

            catch

            {

                //ClientScript.RegisterStartupScript(ClientScript.GetType(), "myscript", "<script>alert('客户信息删除失败')</script>");

            }

        }

        /// <summary>

        /// 发送电子邮件

        /// </summary>

        /// <param name="MessageFrom">发件人邮箱地址</param>

        /// <param name="MessageTo">收件人邮箱地址</param>

        /// <param name="MessageSubject">邮件主题</param>

        /// <param name="MessageBody">邮件内容</param>

        /// <returns></returns>

        public bool Send(MailAddress MessageFrom, string MessageTo, string MessageSubject, string MessageBody)

        {

            MailMessage message = new MailMessage();

            message.From = MessageFrom;

            message.To.Add(MessageTo); //收件人邮箱地址可以是多个以实现群发

            message.Subject = MessageSubject;

            message.Body = MessageBody;

            message.IsBodyHtml = true; //是否为html格式

            message.Priority = MailPriority.Normal; //发送邮件的优先等级

            SmtpClient sc = new SmtpClient();

            sc.Host = "smtp.qq.com"; //指定发送邮件的服务器地址或IP

            sc.Port = ; //指定发送邮件端口

            sc.Credentials = new System.Net.NetworkCredential("【发件箱地址】", "【发件箱密码】"); //指定登录服务器的用户名和密码(发件人的邮箱登陆密码)

            try

            {

                sc.Send(message); //发送邮件

            }

            catch

            {

                return false;

            }

            return true;

        }