MARKUS

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Net.Mail;

namespace EmailClient

{

    public class EmailClient : IDisposable

    {

        public event EventHandler<SendEmailResult> EmailSendCompleted;

        private const string _CompanyAddress = "daelim.co.kr";

        private const string SmtpClientAddress = "any.daelim.co.kr";

        private Guid _token;

        private SendEmailResult _result;

        private bool _Async = false;

        MailMessage mail = new MailMessage();

        /// <summary>

        /// mail client 초기화

        /// </summary>

        /// <param name="fromAddress"></param>

        public EmailClient(string UserID)

        {

            mail.From = new MailAddress(UserID + "@" + _CompanyAddress);

        }

        /// <summary>

        /// mail client 초기화

        /// </summary>

        /// <param name="fromAddress"></param>

        public EmailClient(MailAddress fromAddress)

        {

            mail.From = fromAddress;

        }

        /// <summary>

        /// 비동기 email send

        /// </summary>

        /// <param name="toAddress"></param>

        /// <param name="ccAddress"></param>

        /// <param name="subject"></param>

        /// <param name="message"></param>

        public void SendEmailAsync(string toAddress, string ccAddress, string subject, string message,bool IsHtmlMsg)

        {

            _Async = true;

            mail.To.Clear();

            mail.CC.Clear();

            SendEmail(new List<string> { toAddress }, new List<string> { ccAddress }, subject, message, IsHtmlMsg);

        }

        /// <summary>

        /// 비동기 email send

        /// </summary>

        /// <param name="toAddress"></param>

        /// <param name="ccAddress"></param>

        /// <param name="subject"></param>

        /// <param name="message"></param>

        public void SendEmailAsync(List<string> toAddress, List<string> ccAddress, string subject, string message, bool isHtmlMsg)

        {

            _Async = true;

            Send(toAddress, ccAddress, subject, message, isHtmlMsg);

        }

        /// <summary>

        /// 동기 email send

        /// </summary>

        /// <param name="toAddress"></param>

        /// <param name="ccAddress"></param>

        /// <param name="subject"></param>

        /// <param name="message"></param>

        /// <returns></returns>

        public SendEmailResult SendEmail(string toAddress, string ccAddress, string subject, string message,bool isHtmlMsg)

        {

            List<string> _toAddr = new List<string>();

            List<string> _ccAddr = new List<string>();

            mail.To.Clear();

            mail.CC.Clear();

            if (!string.IsNullOrEmpty(toAddress)) _toAddr.Add(toAddress);

            if (!string.IsNullOrEmpty(ccAddress)) _ccAddr.Add(ccAddress);

            Send(_toAddr, _ccAddr, subject, message, isHtmlMsg);

            return _result;

        }

        public SendEmailResult SendEmail(List<string> toAddress, List<string> ccAddress, string subject, string message, bool isHtmlMsg)

        {

            Send(toAddress, ccAddress, subject, message, isHtmlMsg);

            return _result;

        }

        private void Send(string toAddress, string ccAddress, string subject, string message, bool isHtmlMsg)

        {

            List<string> _toAddr = new List<string>();

            List<string> _ccAddr = new List<string>();

            if (!string.IsNullOrWhiteSpace(toAddress)) _toAddr.Add(toAddress);

            if (!string.IsNullOrWhiteSpace(ccAddress)) _ccAddr.Add(ccAddress);

            Send(_toAddr,_ccAddr, subject, message,isHtmlMsg);

        }

        private void Send(List<string> toAddress, List<string> ccAddress, string subject, string message, bool isHtmlMsg)

        {

            try

            {

                /// foreach가 더 빠르다.

                //대림 메일 보류(강인구)

                //(from add in toAddress.Distinct()

                // let addr = (add.ToLower().IndexOf("@") < 0) ? add + "@" + _CompanyAddress: add

                // select addr)

                //.ToList().ForEach(ad => mail.To.Add(new MailAddress(ad)));

                //(from add in ccAddress.Distinct()

                // let addr = (add.ToLower().IndexOf("@") < 0) ? add + "@" + _CompanyAddress : add

                // select addr)

                //    .ToList().ForEach(ad => mail.CC.Add(new MailAddress(ad)));

                mail.To.Add(new MailAddress("kig881111@naver.com"));

                //Subject 

                //mail.Subject = subject;

                mail.Subject = subject.Replace('\r', ' ').Replace('\n', ' ');

                mail.SubjectEncoding = System.Text.Encoding.UTF8;

                //Message           

                mail.Body = message;

                mail.BodyEncoding = System.Text.Encoding.UTF8;

                mail.IsBodyHtml = isHtmlMsg;

                //SmtpClient client = new SmtpClient(SmtpClientAddress);

                MailAddress sendAddress = new MailAddress("kig881111@gmail.com");

                SmtpClient client = null;

                //client = new SmtpClient

                //{

                //    Host = "smtp.gmail.com",

                //    EnableSsl = true,

                //    DeliveryMethod = SmtpDeliveryMethod.Network,

                //    Credentials = new System.Net.NetworkCredential("kig881111@gmail.com", "amlswud123!"),

                //    Timeout = 20000

                //};

                //mail = new MailMessage(sendAddress, sendAddress)

                //{

                //    Subject = "제목 없슴다",

                //    Body = "내용 없슴다"

                //};

                client = new SmtpClient

                {

                    Host = "smtp.gmail.com",

                    EnableSsl = true,

                    DeliveryMethod = SmtpDeliveryMethod.Network,

                    Credentials = new System.Net.NetworkCredential(sendAddress.Address, "amlswud123!"),

                    Timeout = 20000

                };

                //mail = new MailMessage(sendAddress, sendAddress)

                //{

                //    Subject = "Markup 메일 발송 테스트",

                //    Body = "메일 발송 테스트"

                //};

                client.Send(mail);

                //if (_Async)

                //{

                //    client.SendCompleted += new SendCompletedEventHandler(Smtpclient_SendCompleted);

                //    _token = Guid.NewGuid();

                //    client.SendAsync(mail, mail.Headers);

                //}

                //else

                //{

                //    client.Send(mail);

                //    _result = new SendEmailResult(true, null);

                //    GC.Collect(2);

                //    GC.Collect(2);

                //}

            }

            catch (Exception e)

            {

                _result = new SendEmailResult(false, e);

            }

        }

        void Smtpclient_SendCompleted(object sender, System.ComponentModel.AsyncCompletedEventArgs e)

        {

            //if (_token == (Guid)e.UserState)

            //{

                EmailSendCompleted(this,new SendEmailResult(true, null));

                GC.Collect(2);

                GC.Collect(2);

            //}

        }

        public void Dispose()

        {

            mail.Dispose();

            GC.Collect(2);

            GC.Collect(2);

        }

    }

}