STMP发送邮件

        /// <summary>
        /// 发送邮件   
        /// </summary>   
        /// <param name="Subject">主题</param>   
        /// <param name="Body">邮件内容</param>   
        /// <param name="To">对方邮箱</param>   
        /// <param name="MailFrom">发件人</param>   
        /// <param name="MailFromName">邮件显示发送人的名称</param>   
        /// <param name="MailDomain">服务器地址</param>   
        /// <param name="MailServerUserName">用户名和密码</param>   
        /// <param name="MailServerPassWord">密码</param>   
        /// <returns></returns>   
        public bool SendEmail(string Subject, string Body, string To, string MailFrom, string MailFromName, string MailDomain, string MailServerUserName, string MailServerPassWord) {
            try {
                MailMessage msg = new MailMessage();
                msg.From = new MailAddress(MailFrom, MailFromName);
                msg.To.Add(new MailAddress(To, To));
                msg.Subject = Subject;
                msg.Body = Body;
                msg.IsBodyHtml = true;
                msg.Priority = MailPriority.Normal;
                msg.SubjectEncoding = System.Text.Encoding.UTF8;
                msg.BodyEncoding = System.Text.Encoding.UTF8;
                //不被当作垃圾邮件的关键代码--Begin           
                msg.Headers.Add("X-Priority", "3");
                msg.Headers.Add("X-MSMail-Priority", "Normal");
                msg.Headers.Add("X-Mailer", "Microsoft Outlook Express 6.00.2900.2869");   //本文以outlook名义发送邮件，不会被当作垃圾邮件           
                msg.Headers.Add("X-MimeOLE", "Produced By Microsoft MimeOLE V6.00.2900.2869");
                msg.Headers.Add("ReturnReceipt", "1");
                //不被当作垃圾邮件的关键代码--End           
                SmtpClient client = new SmtpClient(MailDomain);
                client.UseDefaultCredentials = false;
                client.Credentials = new NetworkCredential(MailServerUserName, MailServerPassWord); //帐号密码           
                client.DeliveryMethod = SmtpDeliveryMethod.Network;
                client.Send(msg);
                return true;
            }
            catch {
                return false;
            }
        }