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用c#写的smtp邮件发送类
2006-07-14 07:07:10      个评论      
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//**********************Created by Chen**************************
using System;
using System.IO;
using System.Text;
using System.Net;
using System.Net.Sockets;
using System.Collections;
using System.Collections.Specialized;
using KSN.Exceptions;
using KSN.Validate;
namespace KSN.Web.Mail
{
 /// <summary>
 /// 邮件内容
 /// </summary>
 public class MailMessage
 {
  private string sender=null;
  private StringCollection receivers=new StringCollection();
  private string subject="";
  private string xMailer="";
  private StringCollection attachments=new StringCollection();
  private MailEncodings mailEncoding=MailEncodings.GB2312;
  private MailTypes mailType=MailTypes.Html;
  private byte[] mailBody=null;
  /// <summary>
  /// 获取或设置发件人
  /// </summary>
  public string Sender
  {
   get{return this.sender;}
   set{this.sender=value;}
  }
  /// <summary>
  /// 获取收件人地址集合
  /// </summary>
  public StringCollection Receivers
  {
   get{return this.receivers;}
  }
  /// <summary>
  /// 获取或设置邮件主题
  /// </summary>
  public string Subject
  {
   get{return this.subject;}
   set{this.subject=value;}
  }
  /// <summary>
  /// 获取或设置邮件传送者
  /// </summary>
  public string XMailer
  {
   get{return this.xMailer;}
   set{this.xMailer=value;}
  }
  /// <summary>
  /// 获取附件列表
  /// </summary>
  public StringCollection Attachments
  {
   get{return this.attachments;}
  }
  /// <summary>
  /// 获取或设置邮件的编码方式
  /// </summary>
  public MailEncodings MailEncoding
  {
   get{return this.mailEncoding;}
   set{this.mailEncoding=value;}
  }
  /// <summary>
  /// 获取或设置邮件格式
  /// </summary>
  public MailTypes MailType
  {
   get{return this.mailType;}
   set{this.mailType=value;}
  }
  /// <summary>
  /// 获取或设置邮件正文
  /// </summary>
  public byte[] MailBody
  {
   get{return this.mailBody;}
   set{this.mailBody=value;}
  }
 }
 /// <summary>
 /// 邮件编码
 /// </summary>
 public enum MailEncodings
 {
  GB2312,
  ASCII,
  Unicode,
  UTF8
 }
 /// <summary>
 /// 邮件格式
 /// </summary>
 public enum MailTypes
 {
  Html,
  Text
 }
 /// <summary>
 /// smtp服务器的验证方式
 /// </summary>
 public enum SmtpValidateTypes
 {
  /// <summary>
  /// 不需要验证
  /// </summary>
  None,
  /// <summary>
  /// 通用的auth login验证
  /// </summary>
  Login,
  /// <summary>
  /// 通用的auth plain验证
  /// </summary>
  Plain,
  /// <summary>
  /// CRAM-MD5验证
  /// </summary>
  CRAMMD5
 }
 /// <summary>
 /// 邮件发送类
 /// </summary>
 public class KSN_Smtp
 {
  #region "member fields"
  /// <summary>
  /// 连接对象
  /// </summary>
  private TcpClient tc;
  /// <summary>
  /// 网络流
  /// </summary>
  private NetworkStream ns;
  /// <summary>
  /// 错误的代码字典
  /// </summary>
  private StringDictionary errorCodes=new StringDictionary();
  /// <summary>
  /// 操作执行成功后的响应代码字典
  /// </summary>
  private StringDictionary rightCodes=new StringDictionary();
  /// <summary>
  /// 执行过程中错误的消息
  /// </summary>
  private string errorMessage="";
  /// <summary>
  /// 记录操作日志
  /// </summary>
  private string logs="";
  /// <summary>
  /// 主机登陆的验证方式
  /// </summary>
  private StringCollection validateTypes=new StringCollection();
  /// <summary>
  /// 换行常数
  /// </summary>
  private const string CRLF=" ";
  private string serverName="smtp";
  private string logPath=null;
  private string userid=null;
  private string password=null;
  private string mailEncodingName="GB2312";
  private bool sendIsComplete=false;
  private SmtpValidateTypes smtpValidateType=SmtpValidateTypes.Login;
  #endregion
  #region "propertys"
  /// <summary>
  /// 获取最后一此程序执行中的错误消息
  /// </summary>
  public string ErrorMessage
  {
   get{return this.errorMessage;}
  }
  /// <summary>
  /// 获取或设置日志输出路径
  /// </summary>
  public string LogPath
  {
   get
   {
    return this.logPath;
   }
   set{this.logPath=value;}
  }
  /// <summary>
  /// 获取或设置登陆smtp服务器的帐号
  /// </summary>
  public string UserID
  {
   get{return this.userid;}
   set{this.userid=value;}
  }
  /// <summary>
  /// 获取或设置登陆smtp服务器的密码
  /// </summary>
  public string Password
  {
   get{return this.password;}
   set{this.password=value;}
  }
  /// <summary>
  /// 获取或设置要使用登陆Smtp服务器的验证方式
  /// </summary>
  public SmtpValidateTypes SmtpValidateType
  {
   get{return this.smtpValidateType;}
   set{this.smtpValidateType=value;}
  }
  #endregion
  #region "construct functions"
  /// <summary>
  /// 构造函数
  /// </summary>
  /// <param name="server">主机名</param>
  /// <param name="port">端口</param>
  public  KSN_Smtp(string server,int port)
  {
   tc=new TcpClient(server,port);
   ns=tc.GetStream();
   this.serverName=server;
   this.initialFields();
  }
  /// <summary>
  /// 构造函数
  /// </summary>
  /// <param name="ip">主机ip</param>
  /// <param name="port">端口</param>
  public KSN_Smtp(IPAddress ip,int port)
  {
   IPEndPoint endPoint=new IPEndPoint(ip,port);
   tc=new TcpClient(endPoint);
   ns=tc.GetStream();
   this.serverName=ip.ToString();
   this.initialFields();
  }
  #endregion
  #region "methods"
  private void initialFields() //初始化连接
  {
   logs="================"+DateTime.Now.ToLongDateString()+"    "+DateTime.Now.ToLongTimeString()+"==============="+CRLF;
   //*****************************************************************
 &

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