/// <summary>
        /// 發(fā)送郵件
        /// </summary>
        /// <param name="fromMail">發(fā)件人郵箱</param>
        /// <param name="toMail">收件人郵箱</param>
        /// <param name="authorizationCode">發(fā)件人授權(quán)碼</param>
        /// <param name="replyTo">收件人回復(fù)郵件默認接收地址（不設(shè)置也可以）</param>
        /// <param name="ccMail">郵件抄送人</param>
        /// <param name="filePath">附件地址</param>
        /// <param name="sendPeopleCall">收件人稱呼</param>
        /// <param name="collectSampleDate">收樣時間</param>
        /// <returns></returns>
        public MsgModel SendMails(string fromMail,List<string> toMail,string authorizationCode,string replyTo, List<string> ccMail,List<string> filePath,string sendPeopleCall,string collectSampleDate)
        {
            
            try
            {
                //實例化發(fā)送郵件類
                MailMessage mailMessage = new MailMessage();
                //郵件的優(yōu)先級 分為 low normal high 通常用Normal即可
                mailMessage.Priority = MailPriority.Normal;
                //發(fā)送人郵件地址
                mailMessage.From = new MailAddress(fromMail);
                //收件人郵件地址 //考慮群發(fā)郵件
                foreach(var r in toMail)
                {
                    mailMessage.To.Add(new MailAddress(r));
                }
                if (replyTo == "" || replyTo == null)
                {
                    replyTo = fromMail;
                }

                //對方回復(fù)郵件時默認的接收地址（可以不設(shè)置）
                //mailMessage.ReplyTo = new MailAddress(replyTo);
                if (ccMail != null)
                {
                    //郵件抄送  支持 群發(fā) 抄送
                    foreach (var r in ccMail)
                    {
                        mailMessage.CC.Add(r);
                    }
                }
                //如果郵件標(biāo)題包含中文，這里要設(shè)置編碼方式 否則會出現(xiàn)亂碼
                mailMessage.SubjectEncoding = Encoding.GetEncoding(936);
                //郵件正文是否是Html 格式
                mailMessage.IsBodyHtml = true;
                //郵件標(biāo)題
                mailMessage.Subject = $@" REPORT-{collectSampleDate}";
                //郵件內(nèi)容
                mailMessage.Body = $@"
                                    Dear {sendPeopleCall},
                                    ";

                mailMessage.Attachments.Clear();
                if (filePath != null&&filePath.Count>0)
                {
                    foreach (var r in filePath)
                    {
                        var urls = System.AppDomain.CurrentDomain.BaseDirectory.ToString() + r;//獲取項目的絕對
                        //將附件添加到郵件
                        mailMessage.Attachments.Add(new Attachment(urls));
                        //獲取設(shè)置此電子郵件的發(fā)送通知
                        mailMessage.DeliveryNotificationOptions = DeliveryNotificationOptions.OnSuccess;
                    }

                }
                //實例化 SmtpClient類
                SmtpClient client = new SmtpClient();
                client.Host = GetClientHost(fromMail);
                //使用安全加密連接
                client.EnableSsl = true;
                client.Port = 587;//默認是25 此處設(shè)置成587
                //不和請求一塊發(fā)送
                client.UseDefaultCredentials = false;

                //client.DeliveryMethod = SmtpDeliveryMethod.Network;

                //驗證發(fā)送人身份（發(fā)件人的郵箱，郵箱里生成的授權(quán)碼）
                client.Credentials = new NetworkCredential(fromMail,authorizationCode);

                //如果發(fā)送失敗，SMTP 服務(wù)器將發(fā)送 失敗郵件告知fromEmail 
                mailMessage.DeliveryNotificationOptions= DeliveryNotificationOptions.OnFailure;

                client.Send(mailMessage);
                
                return new MsgModel
                {
                    Status = true,
                    Msg = "發(fā)送郵件成功" ,
                    Data = ""
                };
            }
            catch(Exception ex)
            {
                return new MsgModel
                {
                    Status = false,
                    Msg = "發(fā)送郵件失敗！錯誤：" + ex.Message,
                    Data=""
                };
            }
          
        }

         /// <summary>
        /// 根據(jù)發(fā)送郵箱 識別發(fā)件服務(wù)器地址 
        /// </summary>
        /// <param name="fromEmail"></param>
        /// <returns></returns>
        public string GetClientHost(string fromEmail)
        {
            var host = "";
            if (fromEmail.Length != 0)
            {
                var addressStr = fromEmail.Trim().Split(new char[] { '@','.'});
                switch (addressStr[1])
                {
                    case "163":
                        host = "smtp.163.com";
                        break;
                    case "126":
                        host = "smtp.126.com";
                        break;
                    case "qq":
                        host = "smtp.qq.com";
                        break;
                    case "gmail":
                        host = "smtp.gmail.com";
                        break;
                    case "hotmail":
                        host = "smtp.live.com";//outlook郵箱
                                                      //client.Port = 587;
                        break;
                    case "foxmail":
                        host = "smtp.foxmail.com";
                        break;
                    case "sina":
                        host = "smtp.sina.com.cn";
                        break;
                    default:
                        host = "smtp.exmail.qq.com";//qq企業(yè)郵箱
                        break;

                }
            }
            return host;
        }