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@ -1,10 +1,13 @@
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using log4net;
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using HtmlAgilityPack;
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using log4net;
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using MailSend.Common;
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using MailSend.Common.Models;
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using MailSend.Web.Models;
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using MimeKit;
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using Newtonsoft.Json;
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using System;
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using System.Collections.Generic;
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using System.Configuration;
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using System.IO;
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using System.Linq;
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using System.Text;
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@ -210,6 +213,330 @@ namespace MailSend.Web.Controllers
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return Json(resp);
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}
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//转发邮件
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[HttpPost]
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public ActionResult Transmit()
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{
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var resp = new RespCommon();
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//需上传eml文件
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if (Request.Files.Count > 0)
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{
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var smtpList = mailData.MailSendSmtp.AsNoTracking()
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.Select(x => x.GID)
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.ToList();
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var sendTo = Request.Form["SendTo"];
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var ccTo = Request.Form["CcTo"];
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var smtpConfig = Request.Form["SmtpConfig"]; //SmtpConfig
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var mailAccount = Request.Form["MailAccount"];
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var password = Request.Form["Password"];
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int.TryParse(Request.Form["Port"], out int port);
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var smtpServer = Request.Form["SmtpServer"];
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bool.TryParse(Request.Form["SmtpSSL"], out bool smtpSSL);
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var showName = Request.Form["ShowName"];
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var prefixText = Request.Form["PrefixText"]; //前缀文本
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if (string.IsNullOrEmpty(sendTo))
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{
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resp.Success = false;
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resp.Code = RespCommon.RespCodeParamError;
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resp.Message = "收件人不能为空";
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return Json(resp);
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}
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//分拆收件邮箱地址
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var sendToList = new List<MailboxAddress>();
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var arrTo = sendTo.Replace(",", ";").Split(";".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
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foreach (var item in arrTo)
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{
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sendToList.Add(new MailboxAddress(item, item));
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}
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//分拆cc邮箱地址
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var ccList = new List<MailboxAddress>();
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if (!string.IsNullOrEmpty(ccTo))
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{
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var arrCc = ccTo.Replace(",", ";").Split(";".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
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foreach (var item in arrCc)
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{
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ccList.Add(new MailboxAddress(item, item));
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}
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}
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MailSendSmtp smtpInfo = null;
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//没有SmtpConfig参数时，需要提供发件邮箱信息
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if (string.IsNullOrEmpty(smtpConfig))
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{
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if (string.IsNullOrEmpty(mailAccount)
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|| string.IsNullOrEmpty(password)
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|| string.IsNullOrEmpty(smtpServer)
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|| port == 0)
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{
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resp.Success = false;
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resp.Code = RespCommon.RespCodeParamError;
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resp.Message = "发件邮箱信息无效";
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return Json(resp);
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}
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else
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{
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var smtpDB = mailData.MailSendSmtp.FirstOrDefault(x => x.Account == mailAccount);
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if (smtpDB == null)
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{
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smtpDB = new MailSendSmtp();
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smtpDB.GID = Guid.NewGuid().ToString();
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smtpDB.Account = mailAccount;
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mailData.MailSendSmtp.Add(smtpDB);
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}
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smtpDB.Password = password;
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smtpDB.Port = port;
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smtpDB.Server = smtpServer;
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smtpDB.UseSSL = smtpSSL;
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mailData.SaveChanges();
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smtpConfig = smtpDB.GID;
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smtpInfo = smtpDB;
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}
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}
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else
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{
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if (!smtpList.Contains(smtpConfig))
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{
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resp.Success = false;
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resp.Code = RespCommon.RespCodeParamError;
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resp.Message = "SmtpConfig无效";
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return Json(resp);
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}
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smtpInfo = mailData.MailSendSmtp.AsNoTracking().First(x => x.GID == smtpConfig);
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}
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for (var i = 0; i < Request.Files.Count; i++)
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{
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var file = Request.Files[i];
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if (file.ContentLength == 0)
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{
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resp.Success = false;
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resp.Code = RespCommon.RespCodeParamError;
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resp.Message = "文件内容不能为空";
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return Json(resp);
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}
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var fileExt = Path.GetExtension(file.FileName).ToLower();
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if (fileExt != ".eml")
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{
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resp.Success = false;
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resp.Code = RespCommon.RespCodeParamError;
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resp.Message = "文件格式错误";
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return Json(resp);
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}
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MimeMessage mail = null;
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try
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{
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mail = MimeMessage.Load(file.InputStream);
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}
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catch
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{
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resp.Success = false;
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resp.Code = RespCommon.RespCodeParamError;
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resp.Message = "文件格式错误";
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return Json(resp);
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}
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if (string.IsNullOrEmpty(mail.Subject))
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{
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resp.Success = false;
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resp.Code = RespCommon.RespCodeParamError;
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resp.Message = "主题不能为空";
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return Json(resp);
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}
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//发送人
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mail.From.Clear();
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mail.From.Add(new MailboxAddress(string.IsNullOrEmpty(showName) ? smtpInfo.Account : showName, smtpInfo.Account));
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//收件人
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mail.To.Clear();
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mail.To.AddRange(sendToList);
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//cc
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mail.Cc.Clear();
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mail.Cc.AddRange(ccList);
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#region 附加前缀
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var insTextList = new List<string>();
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if (!string.IsNullOrEmpty(prefixText))
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{
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insTextList.AddRange(prefixText.Split("\r\n".ToCharArray()));
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}
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if (insTextList.Count > 0)
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{
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var textParts = mail.BodyParts.Where(x => !x.IsAttachment && x.ContentType.MediaType == "text");
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if (textParts != null && textParts.Any())
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{
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foreach (var part in textParts)
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{
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var tp = part as TextPart;
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var contentText = tp.Text;
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Encoding srcEncoding = null;
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if (!string.IsNullOrEmpty(tp.ContentType.Charset))
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{
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srcEncoding = Encoding.GetEncoding(tp.ContentType.Charset);
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}
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if (tp.ContentType.MimeType.Contains("html"))
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{
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HtmlDocument htmldoc = new HtmlDocument();
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var htmlEncoding = htmldoc.DetectEncodingHtml(tp.Text);
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htmldoc.LoadHtml(tp.Text);
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var bodyNode = htmldoc.DocumentNode.SelectSingleNode("//body");
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var metaLastNode = htmldoc.DocumentNode.SelectSingleNode("//meta[last()]");
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var metaCharsetNode = htmldoc.DocumentNode.SelectSingleNode("//meta[contains(@http-equiv,'Content-Type')]");
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Encoding toEncoding = null;
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if (srcEncoding == null)
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{
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srcEncoding = htmldoc.DeclaredEncoding;
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}
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if (srcEncoding == Encoding.ASCII || srcEncoding == Encoding.GetEncoding("iso-8859-1") || srcEncoding == null)
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{
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toEncoding = Encoding.UTF8;
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tp.ContentType.CharsetEncoding = toEncoding;
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if (metaCharsetNode != null)
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{
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metaCharsetNode.SetAttributeValue("content", "text/html; charset=utf-8");
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}
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}
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else
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{
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toEncoding = srcEncoding;
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}
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if (bodyNode != null)
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{
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var insTextReverse = new List<string>(insTextList.ToArray());
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insTextReverse.Reverse();
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foreach (var text in insTextReverse)
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{
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var insNode = htmldoc.CreateElement("p");
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insNode.AppendChild(htmldoc.CreateTextNode(text));
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bodyNode.InsertBefore(insNode, bodyNode.FirstChild);
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}
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MemoryStream ms = new MemoryStream();
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htmldoc.Save(ms, toEncoding);
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contentText = toEncoding.GetString(ms.ToArray());
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}
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else if (metaLastNode != null)
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{
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foreach (var text in insTextList)
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{
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var insNode = htmldoc.CreateElement("p");
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insNode.AppendChild(htmldoc.CreateTextNode(text));
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htmldoc.DocumentNode.InsertAfter(insNode, metaLastNode);
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}
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MemoryStream ms = new MemoryStream();
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htmldoc.Save(ms, toEncoding);
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contentText = toEncoding.GetString(ms.ToArray());
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}
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else
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{
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contentText = $"<p>{string.Join("</p><p>", insTextList)}</p>{contentText}";
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}
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tp.SetText(toEncoding, contentText);
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}
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else
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{
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Encoding toEncoding = null;
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if (srcEncoding == Encoding.ASCII || srcEncoding == Encoding.GetEncoding("iso-8859-1") || srcEncoding == null)
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{
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toEncoding = Encoding.UTF8;
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tp.ContentType.CharsetEncoding = toEncoding;
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}
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else
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{
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toEncoding = srcEncoding;
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}
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contentText = $"{string.Join("\r\n", insTextList)}\r\n{contentText}";
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tp.SetText(toEncoding, contentText);
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tp.ContentType.CharsetEncoding = toEncoding;
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}
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}
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}
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else
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{
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var mult = new Multipart("mixed");
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var newPart = new TextPart("plain");
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newPart.SetText(Encoding.UTF8, string.Join("\r\n", insTextList));
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mult.Add(newPart);
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mult.Add(mail.Body);
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mail.Body = mult;
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}
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}
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#endregion
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var mailSend = new Common.MailSend();
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mailSend.GID = Guid.NewGuid().ToString().Replace("-", "");
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mailSend.SendTo = mail.To.ToString();
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mailSend.CCTo = mail.Cc?.ToString();
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mailSend.Title = mail.Subject;
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mailSend.SmtpConfig = smtpConfig;
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mailData.MailSend.Add(mailSend);
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//保存eml文件
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string emlFilePath = ConfigurationManager.AppSettings["EmlFilePath"];
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var saveEmlPath = string.Empty;
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if (string.IsNullOrEmpty(emlFilePath))
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{
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saveEmlPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "EmlFiles");
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}
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else
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{
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saveEmlPath = Path.Combine(emlFilePath, "EmlFiles");
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}
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if (!Directory.Exists(saveEmlPath))
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{
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Directory.CreateDirectory(saveEmlPath);
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}
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var saveFileName = Path.Combine(saveEmlPath, $"{mailSend.GID}.eml");
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mail.WriteTo(saveFileName);
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mailSend.EmlFile = saveFileName; //记录eml文件位置
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}
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mailData.SaveChanges();
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resp.Success = true;
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resp.Code = RespCommon.RespCodeSuccess;
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resp.Message = "提交成功";
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return Json(resp);
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}
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else
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{
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resp.Success = false;
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resp.Code = RespCommon.RespCodeParamError;
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resp.Message = "请上传eml文件";
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return Json(resp);
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}
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}
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#region 发送记录查询
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//发件记录
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