/// <summary>

        /// 发送邮件

        /// </summary>

        /// <returns></returns>

        public static bool SendEmail(string subject, string body, string to)

        {

            MailMessage myEmail = new MailMessage();

            Encoding eEncod = Encoding.GetEncoding("utf-8");

            myEmail.From = new System.Net.Mail.MailAddress(SmtpUserName, SmtpUserName, eEncod);

            myEmail.To.Add(to);

            myEmail.Subject = subject;

            myEmail.Body = body;

            myEmail.BodyEncoding = Encoding.UTF8;

            myEmail.Priority = System.Net.Mail.MailPriority.Normal;

            myEmail.IsBodyHtml = true;

            SmtpClient smtp = new SmtpClient(SmtpServer, 587);

            smtp.EnableSsl = true;

            string UserName = SmtpUserName;

            string Password = SmtpPassword;

            smtp.Credentials = new System.Net.NetworkCredential(UserName, Password);

            try

            {

                smtp.Send(myEmail);

                return true;

            }

            catch (Exception ex)

            {

                return false;

            }

            return true;

        }